Ahead. Our conversation with h. R. Mcmaster. And expert analysis from across the globe. From abc, a special edition of this week. High alert, north korea. Reporting from seoul, south korea, coanchor martha raddatz. Hello, from seoul, south korea. Its evening here in the city of 10 Million People. On high alert in a week end of escalating tensions. Hours ago, yet another north Korean Missile launch. The fifth of 2017. This time, it blew up seconds after leaving the launch pad. U. S. Officials believe it was likely a mediumrange Ballistic Missile, the kind we have seen before. Still, the latest launch rattled nerves, especially after the sunday appearance saturday of what could be new longrange weapons at north koreas big anniversary parade. Canisters that appear large enough to house a missile capable of hitting the United States. Past north Korean Leader kim jongun. Green camo on huge transporters. If he, indeed, has a missile big enough to reach the United States, and if he can make a war head small enough to fit on it, will the u. S. Be forced the respond. This hour, all the angles on the most important sport story if n world right now. Are the new missiles we saw at saturdays parade real . Does donald trump have a firm red line . Is there room for negotiation or are trump and kim on a collision course . Vice president mike pence arrived here in seoul today, the start of a tenday asia tour. With china warning both sides to cool it, north korea is at the top of the agenda. In a moment, well talk to security adviser h. R. Mcmaster. Hes in afghanistan, where the United States just proved what it can do with a mother of all bomb strikes on isis, a dramatic show of american fire power. We begin with north koreas warning that it will annihilate military bases here in south korea. They said in minutes. If the u. S. Tries to take out its nuclear program. We visited the most important of those front line bases, osan air base, just south of seoul. 48 miles from the border with north korea. We got exclusive and unprecedented access. If north korea pulls the trigger this could be target number one. Osan air base, just 48 miles from north korea, well within range of kim jonguns existing arsenal of missiles carrying god knows what. So a this is serious stuff. Yes, maam. This is your third set of blast doors here. Reporter the first line of defense is always on guard. 4 7. M16s on constant patrol. Antimissile batteries primed and ready. Behind these concrete walls and steel doors, the top secret and rarely seen operations center, on high alert, watching for any north Korean Missile activity. We live with it every day. So the nice thing is for my folks, the mission is staring them in the face. Reporter while the world worries that north korea will get a missile that can reach the United States, theres though doubt here at osan the threat is up close, dangerous, and continuous. The slogan here, fight tonight. And you hear it often and always with a sense of pride. There are not many places that go into where it says fight tonight in giant letters. Its a little but, for us, its our daytoday training. Were always training at the level to be able to fight at night because we dont know when that call is going to come. We visited the top secret facility. If a missile is aimed at south korea, the job here, blow it out of the sky. North korea has conducted just five underground Nuclear Tests in the last ten years. But Missile Launches are far more common. Several this year alone. Every one closely monitored on these screens including last nights failed launch. Whats it like if here when a Ballistic Missile is launched . You would think it would be hectic. Due to the level of training of the soldiers here, its a calm exercise. I would compare to it maybe an air traffic roller tower. Rows and rows of bunk beds. It allows us to do continuous operations for an exteped period of time. Reporter you have food, everything you need . Food, showers, latrines. Reporter thomas begson is deputy xhapder of u. S. And all u. N. Forces in south korea. What concerns you most . Our biggest concern is hes going to miscalculate. Thats always a concern. We want to make it Crystal Clear to the north Korean Leadership that this would be a completely futile endeavor. Were her to challenge this strong alliance. Reporter because we have a new president and he, no doubt, kim jongun wants to test him in the same way that that dynamic works, is this, from your time here, from watching here, one of the more dangerous times . I would say that theres certainly, you can feel the tensions. Very clearly, prepared. And this defensive alliance is strong. And ready to fight tonight. Reporter part of that defense, Patriot Missile batteries. Youll notice here, in korea, we keep our launches loaded with live interserpts at all times. So that were ready to fight tonight. Reporter tell me about the batteries just in term of what day can stop, how they can stop them, how that works . Yes, maam. This weapons system is capable of defeating a wide range of enemy capabilities from Unmanned Aerial Systems to shortrange and longrange Ballistic Missiles. This battery is designed to search for, detect, and engage those inbound Ballistic Missiles. Reporter at osan, theyre confident in the system, claiming the success rate of the patriot is nearly 100 . And its a bullet on bullet scenario. The patriot miss t hits the threat missile. And destroyed it. Reporter a few miles from the patriots, out on the flight line, are the growlers. They have jamming capabilities. Electronic jamming kablts. They deny the enemy the capability on launch surface to air missile. Reporter major shawn walsh, an f16 pilot. Up in the skies at least three times a week. You see the stark contrast. The lights start to come on, you fly along the dmz. One window, its bright as day with the city of se orvegs ul. The other side of the cockpit, you look out, its darkness. Reporter make no mistake, its the darkness that causes concern. The lack of hard intelligence. The unpredictability. And the war of words right now have created a region on edge. Kim jongun is basically saying, that he could strike and take out any of the American Military bases. Could that happen . No. No, they could try. But as you saw today out here. You have air Defense Artillery brigade. The technology, the capability to intercept those kinds of missile ps. They could try. It would be futile. Reporter were back now live in seoul. Im joined by abc news contributor colonel steve ganyard, a retired marine corps Fighter Pilot and former Deputy Assistant secretary of state. Talk to us about the failed Missile Launch first. What do we know about that missile . Mgts it will take us awhile to figure out what kind of missile it was. Because it blew up so quickly after launch, were not going to have much radar telemetry data. It will take awhile to figure out what a it was. It shows theyre determined to a longrange missile capability. A real concern from this weekend is the parade. And the missiles that we spotted in the parade. We dont know if theyre real. They appeared to be longrange missiles. Lots of concerning things out of the parade. The first is the size of the mizles. Bigger size. Means longer range. Better chance of getting all the way to the United States. The diversity of missiles that we saw. Not just landbased. Sea based. Submarine launched missiles. Some of them looked like a df31. A sophisticated chinese missile. Lots of questions coming out of that. Lots of things to worry about. Real takeaway is range. For decades, president s, republican and democrat ix, have been able to kick the can down the road with north korea because theres never been an ability to reach the United States. In that ma raid, those theoretically, could reach the United States. Thats why President Trump feels the need to take this on here and now. Theyre still expecting to launch the underground nuclear test. Is there anything to be done to stop them there doing that . There are a couple of options. One kinetic. One nonkinetic. Theres a bigger bomb in the u. S. Inventory by weight. 30,000 mounds. Its called a m. O. P. Massive ordnance penetrator. It is able to take out underground binkers. That would be the kin etic option. Theres a highpowered microwave. It would send an intense burst of nobody gets hurt. Everything gets disable period. The president has a new arrow in his quiver. Both kinetic and nonkinetic options. Steve, what do you think the reaction would be from north korea if there was a preemptive strike . Theyve been quite clear. If there is any military action on north korean soil, they will retaliate in some way. Lit occur on south korean soil or at japan. Which means we need to coordinate closely with our closest allies in the region before thinking about any kind of military action. Steve, very quickly. Our intelligence in north korea is pretty bad. Why is that . We have very little human intelligence on the ground. Its a closed, stalinist society. Yesterday was similar to when we wo parades to know what the soviet union was thinking and doing. This will continue to bedevil us. Thank you, steve. President trump faces major decisions when it comes to dealing with north kia. The man who will help him make those tough calls is his Top National Security adviser, h. R. Mcmaster. Well talk to him in an exclusive interview. Coming up in just two minutes. No two whale flukes are the same. Because your needs are unique, pacific life has been delivering flexible retirement and Life Insurance solutions for more than 145 years. Ask a Financial Advisor how you can Tailor Solutions from pacific life to help you reach your financial goals. What we do every night is like something out of a strange dream. Except that the next morning. It all makes sense. Rs global ecommerce. With networks built over 40 years. That are massive. Farreaching. And, yes. Maybe a bit magical. Visit fedex. Com slash dream mr. Trump, do you have a red line with north korea . Would you consider military action and how far would you let them go . We have tremendous has been just sucked out of our country by china. China says they dont have that good of control over north korea. They have tremendous control. They have total absolute control practically of north korea. I would get on with china. Let them solve the problem. They can do it quickly and surgically. Thats what we should do with north korea. That was thencandidate donald trump during the New Hampshire primary debate. Saying that china should take care of north korea. Hypothetical. Now its a reality. Whats President Trumps position today . His National Security adviser h. R. Mcmaster joins me now from afghanistan. Good to see you, general mcmaster. Well get to your trip in afghanistan in a moment. Lets talk north korea. We know the missile test failed. What can you tell us about that . How long will it take to determine what happened there . Thank you, martha. Its a privilege to be with you. The latest missile test fits into a pattern of provocative behavior on the part of the north korean regime. Think theres an International Consensus now, including the chinese. The chinese leadership that this is a situation that just cant continue. And the president has made clear that hell not accept the United States and its allies and partners in the region being under threat from this hostile regime with nuclear we allies and partners. And with the chinese leadership to develop range of options. And, the president has asked the National Security council to integrate the efforts of the department of defense, state, intelligence agencies to provide options and have them ready for him if this pattern of destabilizing behavior continues and if the north korean regime refuses to denuclearize. Which is the accepted objective of the United States and chinese leadership as well as our allies in the region. I want to go back to the missile if i could for a moment. Apparent lirks it was a mediumrange Ballistic Missile. Can you talk about what we with saw in the parade and the missiles they showed there . Was it an icbm . I dont know. Ive not been in touch with our Intelligence Community on that. I would defer to our in department of defense on that particular question. Of course, the purpose of that parade is to sort of demonstrate military prowess in a threatening way. And so whether those weapons are real or fake is is unclear. I think, to at least i saw it on television, lie you did, no, you saw it better than i did. I think you were close by. I was a little closer than you were. Back to what you were saying before. Today, a white house Foreign Policy adviser briefed reporters on Vice President pences flight to seoul. Saying had north korea tested a Nuclear Weapon, other actions would have been taken by the u. S. What would have happen snd what was he talking about . The president s made it very clear hes not in the business of announcing in advance what hes going to do in a particular situation. I think what you saw last week with the president s decisive response to the assad regimes mass murder of innocent people, including children wsh che weapons, that this National Security team is capable of rapidly responding to those sorts of incidents and events and providing the president with options. Our president is clearly ko lly comfortable making decisions. The military option is on the table . All options are on the table. How close do you think north korea is to having a Nuclear Weapon capable of reaching the United States . What is clear is that as long as their behavior continues, as longs they continue, mizle development, etch though this was a failed missile, they get better. They learn lessons. So, whats critical for them is to stop this destabilizing behavior. Stop the development of the weapons. Denuclearize. That is in the best interests of the people of the region. North koreas foreign minister said the tru administration is more vicious and more aggressive. Saying that trumps aggressive tweets were making trouble. Does the aggressive language increase the likelihood of conflict . I think it should make clear to the north korean regime that it is in their best interest to stop the development of these missiles and to denuclearize the peninsu peninsula. Its clear that the president is determined not to allow this kind of capability to threaten the United States. And our president will take action that is in the best interests of the American People. One of the big concerns here is how north kia would respond to aggressive action or some sort of preemptive strike. How do you think they would respond . That is particularly difficult. This regime is unpredictable. Someone who has brutality by murdering his own brother, by murdering others in his family. By imprisoning large numbers of people in horrible conditions for no reason. For political reasons. So this regime has given the world reason for concern. And that that includes the chinese people. The chinese leadership as well. What kim jongun is doing is a threat to all people in the region. And globally as well. This is someone who has said not only does he want to develop a Nuclear Weapon. He wants to use to it coerce others . He said he was willing to proliferate Nuclear Weapons once he develops them. And so this is a grave threat to all people. You heard what President Trump said about china in that primary debate. They said this week after listening to president xi, he realized its not so easy. Are you truly confident you can get china in a meaningful way . Well, well see what happens. What we do know is that in the midst of responding to the mass murder of the syrian regime, the president and the first lady hosted an extraordinarily successful conference, summit, with president xi and his team. And not only did they establish a very warm relationship. But since that time, they have work eed together on other issu. On north korea. And in connection with the response to the mass murder of on the party of the assad regime. In connection with the u. N. Vote. Think president xi was courageous in distancing himself from the russians and the believe ybo live yans. This on the same day that President Trump hosted the secretary general of nato, repping our wonderful nato alice. The world saw that. What club in the russianbo live yan club or the club with the United States, working together on mutual interests, peace, security, i think it was great week for the United States. And thanks mostly to our president. You sound very confident. President trump sounds confident. One final question. Every president since bill clinton has said the u. S. Will not tolerate a neuroleerarmed north korea. They have only grown stronger in their capabilities. Why do you think President Trump will have a different outcome . Well, as you mentioned, this is a problem that has been passed down from multiple administrations. But, our president , i think its the consensus with the president , our key allies in the region, japan and south korea in particular, and the chinese leadership, that this is coming to a head. Its time to can, short of a military option, to resolve it peacefully. Well rely on allies, like we always do. Well rely on chi naez leadership. Tho north korea is very dependent on china. All Energy Requirements are fulfilled by china. In the coming weeks, months, i thi think theres great opportunity for all of us under the threat of this regime is to take action, short of Armed Conflict to avoid the worst. I want to turn to russia and syria. Secretary of state Rex Tillerson visited this week and said relations were at a low point. But the president tweeted thursday, things will work out fine between the usa and russia. There will be lasting peace. What suddenly gives him that confidence . When relations are at the to go but up. The secretarys visit to russia was perfectly timed. Russia has given support to a murderous regime in syria that has perpetuated a war. And the brutal efforts and actions of isis have brought suffering to so many people. Have created a crisis within syria that has bled over into iraq and neighboring countries and europe. Russias sport for that kind of horrible regime that is a party to that kind of conflict is something that has to be drawn into question as well as russias subversive actions in europe. I think its time, though, now, to have those tough discussions with russia. Theres nobody better to do it than our secretary of state. And also to find areas of cooperation. Where do our interests align . Do you think we need more u. S. Troops in syria . I dont think so. What were doing now is supporting Partner Forces in syria and in certain portions of the country. Including the northeastern part of the country. Along the Euphrates River valley. Its a matter of time, only, until isis is defeated there. What will be critical is what forces can then establish enduring security in those regions that have legitimacy with the population. That are representative of the population. That can set conditions for reconstruction to begin. The cities of the sunniarab world in that region are in rubble. In a successful conference if washington two weeks ago, the United States state department organized a bunch of donors and likeminded allies to pledge money for reconstruction. We need a security situation thats conducive to that reconstruction. That can allow so many of the return. And for those longsuffering people to enjoy the security, stability they deserve. I want to finish on your trip to afghanistan. Its remarkable to think that we have been fighting there since 2001. What havent we done that we should have . And are more troops needed there . Whats clear is the stakes are high. I mean this is this is really the modern day frontier between barbarism and civilization. And so, with those high stakes in mind, recognizing that the taliban groups were fighting here, that the isis groups that we, alongside really the Afghan Forces are really fighting. Were enabling them in the eastern part of the country, are a threat to all civilized peoples. The president has asked for a range of options. And well give him those options. Well be prepared to execute whatever decision he makes. General mcmaster great talking with you, thank you. Thank you. Up next, most americans know very little about life inside north korea. One person who does is abcs bob woodruff. Hell bring us his insights next. And the form u. S. Ambassador to korea is chris hill. Well does what options america has to respond to this crisis. Whats it like to be in good hands . Like finding new ways to be taken care of. Home, car, Life Insurance obviously, ohhh. But with added touches you cant get everywhere else, like claim free rewards. Or safe driving bonus checks. Oh yes. Even a claim satisfaction guaranteeeeeeeeeee in means Protection Plus unique extras its good to be in, good hands. Hi, im frank. I take movantik for oic, opioidinduced constipation. Had a bad back injury, my doctor prescribed opioids which helped with the chronic pain, but backed me up bigtime. Tried prunes, laxatives, still constipated. Had to talk to my doctor. She said, how long you been holding this in . laughs that was my movantik moment. My doctor told me that movantik is specifically designed for oic and can help you go more often. Dont take movantik if you have a bowel blockage or a history of them. Movantik may cause serious side effects, including symptoms of opioid withdrawal, severe stomach pain and or diarrhea, and tears in the stomach or intestine. Tell your doctor about any side effects and about medicines you take. Movantik may interact with them causing side effects. Why hold it in . Have your movantik moment. Talk to your doctor about opioidinduced constipation. Astrazeneca may be able to help. North koreas capital, pyongyang, is about 120 miles from here. But a place few americans my colleague, bob woodruff just returned from his eighth trip to north korea since 2005. Bringing us rare insights. Reporter pomp and circumstance taking over part of pyongyang this week. And in the midst of the military tension between north korea and the u. S. , kim jongun, cheered on by a dense crowd, showing off a more modern pyongyang. This scene, a stark contrast from when i first aflooifd the nearly deserted capital city in 2005 a. We expect to show you a country that the world knows very little about. And we did. From our visit to the childrens palace where your koreans are trained in sports and music. To their subway system. You can see the design is some old 30yearold kind of design. And to my aerial tour of pyongyang in 2016. It was amazing. Cooperative farms as we came in over the suburban area. Also over the town. My first trip here, we traveled two hours outside the capital to a collective farm, where i met with North Koreans skeptical of the United States. What do on you think about americans . Back then, that 18yearold told us he thought americans were the sworn enemy of the korean people. Have you ever met an american before . No, he said, he hadnt. Im an american. As for what might be behind some of that animosity, the north korean people, largely cut off there the rest of the world, and prevented by their government from having contact with our country, most americans have never traveled there. That exchange is still limited. Recently, abc news caught up with the former deputy ambassador to the united kingdom. He said one of the biggest misconceptions is just how cruel the regime can be. Day cannot understand that itself a kind of slavery system, i think one day when North Koreans system, the collapse, i think the whole world will be shocked. Reporter the country has provided limited firsthand knowledge of its nuclear progress. We have put in multiple requests to tour the facilitiefacilities. In 2008, we were the first members of the media inside the nuclear facility. What were seeing is the cold water, covered by ice and underneath that is about 1500 uranium rods. Our most recent request, like many others, denied. We put in all sorts of questions to visit out here. The launch locations where the missiles are being launched. Instead, they took us deep into the country to show case another proud achievement. Their highend ski any other guests, you think . Skiers take the slope in time to patriotic music. Carefully choreographed scenes have been a zoont in my visits here. Including those now iconic military parades, like this one in 2010, kim jongun making his public debut. Now that the music stopped, now its completely silent. Because right up there, kim jongil and his son, kim jongun will come out and watch. Now, the eyes of the world watching and waiting to see kim jonguns next move. For this week, bob woodruff, abc news. And they certainly are here in south korea. Our thanks to bob. Up next, the man who sat face to face with the North Koreans at the nuclear negotiating table. Former yarks chris hill. What we do every night is like something out of a strange dream. Except that the next morning. It all makes sense. Fedex powers global ecommerce. That are massive. Farreaching. And, yes. Maybe a bit magical. Visit fedex. Com slash dream hey ron theyre finally taking down that schwab billboard. Oh, not so fast, carl. Oh no. Schwab, again . Index investing for that low . Thats three times less than fidelity. And four times less than vanguard. Whats next, no minimums . No minimums. Schwab has lowered the cost of investing again. Introducing the lowest cost index funds in the industry with no minimums. I bet theyre calling about the schwab news. Schwab. A modern approach to wealth management. Briathe customer app willw if be live monday. Can we at least analyze customer traffic . Can we push the offer online . Brian, i just had a quick question. Brian . Brian. Legacy technology can handcuff any company. But yes is here. Youre saying the new app will go live monday . yeah. With help from hpe, we can finally work the way we want to. With the right mix of hybrid it, everything computes. This mornings p from the north is just the latest reminder of the risks each one of you face every day. Our commitment to this Historic Alliance with the courageous people of south korea has never been stronger. And with your help, and with gods help, freedom will ever prevail on this peninsula. [ applause ] Vice President mike pence at a u. S. Army base in seoul, attendi attending an easter meal. Veteran diplomat Christopher Hill joins me to discuss next. Try new Flonase Sensimist instead of allergy pills. Its more complete allergy relief in a gentle mist you may not even notice. Using unique mistpro technology, new Flonase Sensimist delivers a gentle mist to help block flammatory substances that cause your symptoms. Most allergy pills only block one. And six is greater than one. Break through your allergies. New Flonase Sensimist we asked people to write down the things they love to do most on these balloons. Travel with my daughter. Roller derby. Now give up half of em. Do i have to . This is a tough financial choice we could face when we retire. But, if we start saving even just 1 more of our annual income. We could keep doing all the things we love. Prudential. Bring your challenges. Thats life. You diet. You exercise. And if you still need help lowering your blood sugar. Along with diet and exercise. Jardiance lowers blood sugar and a1c in adults with type 2 diabetes. Jardiance is also the only type 2 diabetes treatment with heart proven to reduce the risk of cardiovascular death in adults with type 2 diabetes and cardiovascular disease. Jardiance can cause serious side effects, including dehydration. This may cause you to feel dizzy, faint, or lightheaded, or weak upon standing. Ketoacidosis is a serious side effect that may be fatal. Symptoms include nausea, vomiting, stomach pain, tiredness, and trouble breathing. Stop taking jardiance and call your doctor right away if you have symptoms of ketoacidosis or an allergic reaction. Symptoms of an allergic reaction include rash, swelling, and difficulty breathing or swallowing. Do not take jardiance if you are on dialysis or have severe kidney problems. Other side effects are sudden kidney problems, genital yeast infections, increased bad cholesterol, and urinary tract infections, which may be serious. Taking jardiance with a sulfonylurea or insulin may cause low blood sugar. Medical conditions. So talk to your doctor about jardiance the one and only type 2 diabetes treatment with heart. Visit jardiance. Com for a free consultation with a certified diabetes educator if you qualify. Listen up, heart disease. you too, unnecessary er visits. And hey, unmanaged depression, dont get too comfortable. Were talking to you, cost inefficiencies and data without insights. And fragmented care stop getting in the way of patient recovery and pay attention. Every single one of you is on our list. For those who wont rest until the world is healthier, neither will we. Optum. How well gets done. North korea cannot be allowed to develop a nuclear bomb. We have to be very firm about it. We will not settle for anything less than the complete, verifiable, and irreversible elimination of north koreas Nuclear Weapons program. We stand with our ally, south korea, and insist north korea keeps its commitment to abandon Nuclear Weapons. Four der decades, american president s and their advisers have grappled with now stop north yi yas missile program. Chris hill headed up the delegation to the sixparty talks to resolve the north key yan nuclear pry sis. Ambassador hill, thank you for joins us. Pleasure. When you were head of the delegation at the sixparty talks, or not korea lied, obfuscated, and pursued more tes. Hi should President Trump expect anythi well, first of all, the importance of negotiating with them in the sixparty context was to force china to take a role and of course, theyre in the chair of this whole process. Secondly, think this brings us to the present day with Vice President pences trip. It was important to show the South Koreans that will be do everything we can, including negotiating. The days where the u. S. Would negotiate with north korea and leave the South Koreans at the airport wondering what was going on, those days are over. We worked very closely with south kroo ya. I think in the process brought the u. S. And south korea together. As for south krthe north korean bet its a tough proposition. I know you listened to general mcmaster there, what are you hearing that is encouraging you . Besides what you talked about with Vice President pence . Very encouraging that they are in close quakt the chinese. They seem to be trying to work things together with china. That seemed to be an elusive concept at a certain point if time. Yet, that, i think, is very much happening. Secondly, of course, is the Vice President s visit because, south koreas some 20 Million People within artillery range of north key xwrap they essentially worry about two things. A preemptive action by the u. S. Where they were not included in it. They also worry about talking to the chinese. Over their heads, and they kind of take the view of, look, there shouldnt be anything about us without us. So i think the effort to kind of clue them in, to be close to them, to listen to them, to discuss the strategy, think is very crucial. I would like to see, at some point, a u. S. Ambassador named to south korea. I guess that takes a long time for this administration. Time in several places. Lets go to President Trump. You have mentioned others. The Vice President. Hes had very aggressive language. Does that help or make it more difficult . I think hes trying to outnorth korea the North Koreans. Lets see fit work. It make people nervous when theyre not showure what he mea. Great powers cant really bluff. When you talk in those terms, you have to back it up. I appreciate that hes understood this is a major issue. I would not want to go before the American People in 2020 and say, well, we gave it the Junior College try and decided there is nothing we can do about this. When you look at whats happening now and throughout the past president s, its very dangerous today. Everybody i have talked to says the threat is very different now because they are close to getting a icbm. When you look at it, how tense do you think everyone should be . I think it is we have come to a moment where this is kind of different from the past. First of all, they have had over 25 missile tests. Theyre working on a whole new generation of missiles. Of course, one of them failed. In the last 4 hours. That doesnt mean theyll try again. So its a new generation of missiles. Clearly, theyre working on a war head design for nuclear devices. So this is i think, a very serious matter. And its coming down the tracks. And people often take the view, well, somehow, this is all about their regime survival. This is how theyll survive being a Nuclear Weapons country. Actually, i think theyre more ambitio ambitious about it. They see this as a way to decouple the u. S. From japan and the ally in south korea. And create a situation holding the be less interested in a conflict on the peninsula, were it to come to that. They have ambitious plans. We need to be clear about the need to stop them. Im discouraged when i hear people say, maybe we can freeze their tests in return for freezing our exercises president than is not going to get news the right direction at all. We hope we go in the right direction. Thank you so much for joining us, ambassador hill. What is the tlet to sou how are President Trumps actions abroad playing on the world stage and affecting his domestic agenda . Joining me in washington are political director rick klein and jennifer jacobs, White House Reporter for bloomberg politics. And here in south korea, jon than cheng. You calleded the mizle launch a sign of their face of President Trumps warning. What do you mean . It shows kim jongun is not going to be cowed when President Trump, probably the worlds most powerful man has been saying, if you do anything that crosses the line, were going to act. That hasnt stopped them from wheeling out what may be as many as three new icbms. It hasnt stopped him from trying to launch theyre not believing trumps aggressive talk . I dont know that its not believing. North korea is a small country wedged between china, russia, the u. S. , japan. All these powers. The way its survived in part has been by charting its own course and doing things against the grain. Jennifer, back to you and the word from washington. A poll out friday from cbs news that 56 of americans are uneasy about trumps ability to deal with this. Not a good sign, jennifer. Yeah, youre there is substantial unseize. And, its its almost like americans are on a little bit of overload with the bombs on syria last week. The big bomb if afghanistan this week. So theyre just not sure what trump is thinking on north korea. Theyre on overload. I can give you a bit of a window. I know his National Security team put together various scenarios based on how they thought that north korea would behave this weekend and what their reactions would be. Im told when this missile fizzled right after launch, trump decided quickly to just downplay it. I can tell you a few other quick things. Trump is not into regime change, regime removal for north korea. Hes not thinking about removing kim jongun from power. Hes not thinking about trying to unify the two koreas. Thats not on his mind. Im told, the word kinetic comes up a lot. Hes willing to carry out kinetic militar the key thing here, you heard this with general mcmaster, china, china, china. I was told by one adviser the president has said north korea is a chinese problem located in north kia. North korea. Okay, rick klein. All the talk of National Security. All we have talked about for a couple of weeks here. Lets go back to the domestic agenda of President Trump. Hes not making much progress there. Health reform, tax reform, the travel ban stuck in the courts. Whats up . If there is a trump doctrine, the president is stumbling into that doctrine. The context is critical. Were coming up on the end of the critical first 100 day period. Hes strike out. Nothing going on health care, tax reform, instra fruk chur. None of these things is moving. The hope is that these things are connected. This trump as commander in chief, the actions on the world mood among republicans. At least for now. Its tentative. They have given up on trying to figure out what President Trump really believes because of the recent shifts in policy and how fast moving these things are. This viewing of President Trump as commander in chief, tackling world problems, could have a stillov spillover effect and they could put more points on the board domestically. I want to ask you about the flip fops. Is it the reality of governing . Proeblg just a reality of governing. I mean, one striking thing here is that hes listening to his career staff. Hes been almost establishment in his actions and his thinking with this. Pu, you know, his staff had been arguing that these were not shifts so much as concessions in his favor, for example, i was told in his meetings where the nato secretary general, he was very wanting more money for defense. More participation in fighting terrorism. Hes getting his way on those things. On china, the currency manipulation. New report out from the Treasury Department saying none of our trading partners could neat criteria right now to be labeled a currency manipulator. Hes listening to his career staff right now, which is unusual. Rick, is he listening to republicans on the hill . To his base . Its quite the time for onthejob training. Base and republicans on the hill are two very separate things. If you look at how hes been moving, despite the talk about broken campaign promises, hes moving closer to the main stream of the republican party. Maybe even the broader, bipartisan main stream about americas role in the world. That heartens a whole bunch of capitol hill republicans. The people are heart burn over this are the core base. They say what is it with the foreign adventurism . Same for the staff shakeup. The attention on steve bannon getting sidelined. Theres an interesting twist for the potential for him to be set off to the side. The fact is, a lot of members of congress would privately cheer that. Steve bannon is not liked widely by members of republican leadership. Many of them are getting close contacts now and good relationships with jared kushner. It kuld be that the internal staff shakeups help President Trump. I want to talk to you about here on the korean peninsula. We started the program that way. End the program in way. What do you expect here next . When i walk around the city, people are not frightened. Its a serious stage. Youre right. Is s this. They have lived in the shah shadow of the north korean threat for years. They are not used to hearing it from the white house. If youre a south korean, youre looking at a neighbor that is perhaps on the verge of Something Big happening here. It may start there. It may start from washington. You feel a little bit caught in the cross fire. So theyre more nervous when they hear this aggressive talk . I think so. Again, usually, the white house, washington, has been a reassuring force. I think thats why mike pence is here in a certain sense to reassure the allies. You have trump, tweeting and sometimes going quite wild in his rhetoric from one side to the other. Its unclear what exactly he sbepds to do. Does it seem to you, quickly, that he has a red line . Well, i dont know what they red line is. I dont know gnat north korea has gotten the message either. Think sth concerned that nobody knows right where this is. Well have to watch check back in with you again. Thank you for joining us. Thank you to all our panel. Well be right back after this from our abc stations. Our first name has always been american. at at t, we employ more than 200,000 people with goodpaying jobs. Connecting consumers and business through mobile, internet, and entertainment. At t invests more into americas economy than any other public company. Bringing americans more choices, more freedom, and entertainment everywhere. No company is more invested in americas future than at t. Thats all for us today. From atop the vista Walker Hill Hotel in seoul. Thanks for sharing part of your Easter Sunday with us. Check out world news tonight. Have a great day and a great easter. Scott thuman the star power on this stage in france, with all the fireworks and frenzy, is a woman positioning to become the countrys next president. 48yearold Marine Le Pen is drawing these boisterous crowds, not just by speaking but, equally, by listening. Pierre martin the brightness of france all over the world is shut down. You know . All over the world. Scott in a nation where many are desperately clinging to a fleeting french way of life, a society of sidewalk cafes and romantic nostalgia, le pen and the National Front are making nationalism the primary goal