Were getting new information on the Saudi National who opened fire at a Florida Naval base killing three people. The impact it could have on u. S. saudi relations right now. And 58 days to go, and bidens Tense Exchange in iowa with an iowa voter. Could it hurt or help his case . Live in cedar rapids as the leading democratic candidate battles for the top of the leaderboard there. And in florida, the man who killed Trayvon Martin is now suing the Martin Family and prosecutors for defamation. Well get to that in a moment. We begin right now, because a short time ago the House Judiciary Committee released a majority final report called constitution grounds for president ial impeachment. The report focuses on the history, the purpose and the meaning of the constitutions impeachment clause, and updates and similar reports issued during nixons and bill clintons impeachment. The judiciary chairman jerry nadler released a statement about it saying in part, President Trump abused his power and betrayed our National Security and corrupted our elections all for personal gain. The constitution details only one remedy for this misconduct. Impeachment. The safety and security of our nation, democracy and future generations hanging in the balance. Nbcs hans nichols cover, this for us from the white house. Hans, any reaction so far from the white house . Reporter not to the report. The president will be departing for florida in about 30 minutes, and that may be an opportunity to ask him what he thinks about it. I dont expect the white house, though, kendis, to deviate when that theyve done. Attacking the process. Last night we had that letter out from the president S White House counsel talking how democrats need to end this process. Calling it a sham. Its similar rhetoric weve heard from president donald trump. Most recent tweet on impeachment is about this very point. Questioning whether or not nadler is even legitimate, because he hasnt called a single witness factbased witness to testify. So i think the white house is trying to figure out how much longer this is going to go. Like a lot of people, want the time frame. Maybe we can get clarity of their expectations if we talk to the president here in a little bit. Always, the president has events tonight and well see to what extent impeachment is on his mind. He tends, kendis, to bring it up. Meantime, the House Judiciary Committee resumes monday. Just last night trump said hes not going to participate in the hearings. Why . Reporter well, they think their view, its an illegitimate process, they havent been allowed to call the witnesses they wanted. It started illegitimately in part predicated on something the president doesnt think he did anything wrong. Namely the perfect phone call. From the beginning signaled noncooperation and a lot of ways interesting if they did decide to cooperate or at least play ball in any sort of way at this stage. Once it gets to the senate, if it gets to the senate, moves out of the house, there will be an interesting decision for the white house. Then they have to make a call how to participate, because its Senate Republicans that will control that process. Kendis . Hans nichols at the white house. The president departing within the half hour for florida and a fundraiser. In the middle of the impeachment proceeding the president s personal attorney returned to the scene of the crime. Rudy giuliani traveled to ukraine this week, but why . Whats the ukraine trip all about . I am doing, today, all day, and all night, maybe, what ive been doing for a year and a half. Im representing my client. So while he was representing his client, hes also tweeting about the investigation into the bidens as being unresolved, and as a major obstacle for u. S. Assistance to ukraine, which some interpret as an explicit admission of quid pro quo. Joining me now, msnbc legal analyst Danny Cevallos who knows what a quid pro quo is. Are those tweets admission of that . Not for Rudy Giuliani theyre not. Theyre part of the core defense of republicans and the white house which is this. This is the only direction this defense is ultimately go. Because trump happen admitted to the request, admitted he asked the president of ukraine for a favor. The only path to legitimacy is if there was a true corruption threat in ukraine and specifically if hunter biden and barisma posed a true corruption threat. One to the unite, and one that fell within the president s article 2 power to investigate. That is why Rudy Giuliani is in ukraine. Hes building that case. So that he can show, bring a news network there, rightleaning news network to do a documentary or investigate this issue and yield factual information that Rudy Giuliani can point to and say, this corruption, this evidence, these facts show that President Trump was warranted in requesting an investigation, not generally into corruption, specifically into hunter biden. Its the only path that will work for republicans that passes even remotely any kind of smell test. Even then, its a bit of a stretch. It is a bit of a stretch as you say. There as you mentioned doing this documentary. Theyre conducting a number of different interviews with what they say are ukrainian witnesses, from a legal standpoint, could any of those interviews, perhaps, be a conflict of interest with giuliani . Thats the problem. Rudy giuliani is a walking conflict of interests because hes wearing so many hats. Is he a lawyer for President Trump . Is he a lawyer for his indicted colleagues lev parnas and igor fruman . Is he an unofficial private member of the state department . And now a new hat nap of documentarian. Its hard to say Rudy Giuliani can say hes representing a client when doing other things that arent normally Legal Services and advice traditionally what we lawyers do for our clients. Got a lot of hats. Many hats. Some the babushka, the big you know, the russian hat. Maybe the wrong word, some say he may be a suspect soon. Who knows . Danny cevallos, thank you. With just under two months until the nations first caucus, the democratic president ial hopefuls are crisscrossing the country today. While most are flooding the iowa and New Hampshire area, Michael Bloomberg and andrew yang campaigning in texas and Marion Williamson in utah. Vaughn hillyard where several president ial candidates are participating in a forum hosted by one of the countrys Largest Labor union out there. So what are the issues that the candidates are hitting on right there . Reporter yeah. Youll see it at the coliseum behind us in cedar rapids. Joe biden, Amy Klobuchar, tom steyer, Bernie Sanders and others a group theyre addressing, 400 members. Youll hear strengthening unions giving workers collective bargains rights and protecting government pensions. This is a group, and a reason they are the ones hosteding one of the last expected cattle call events essentially all the candidates are finding it worthy of time to spend here on a saturday afternoon. Elizabeth warren to note is not here. She is in New Hampshire today before she heads to South Carolina tomorrow. But this is an opportunity for these candidates not only to address the members here in iowa, but able to hit members of teamsters across the country. And a little back and forth between Elizabeth Warrens team and mayor Pete Buttigiegs team, and where buttigieg has been pushing warren to rae lease more of her tax returns. Whats going on there . Reporter exactly. We should note, earlier this week we saw multiple president ial candidates drop off out of this race, and now what were sieeing the candidates squaring up one another. Elizabeth warren and Pete Buttigieg. Elizabeth warren late thursday night went directly to address Pete Buttigiegs close press fundraisers and time in mckinsey, Global Consulting firm, still under a nondisclosure agreement. Buttigieg put out a list and timeline of the type of work involved in without specifically naming his clients. Buttigieg in return, talk about transparency. Elizabeth warren should release her tax returns prior to 2008, because Elizabeth Warren did legal work in which she profited off of multiple cases. Earlier this year she did release 28 Different Cases that she worked on and the clients she represented, but Pete Buttigieg said if he is being held to the standard of releasing his own work and tax returns from his time in private corporate america, then Elizabeth Warren should be held to the same standard. And vaughn, what about the impact joe bidens eightday trip, visiting some 15 counties, 15 of the 99 counties in iowa, what sort of impact has it has . Onetime leader there but no longer the case running behind mayor Pete Buttigieg in the latest polls. Did it seem as if it gave his campaign the injection that it needed in the Hawkeye State . Reporter right. We should note, bus tours are a slog for campaigns, for the candidates themselves. Especially when youre looking at an eightday stretch. Today is number seven. Tomorrow will be number eight. He is joined by former secretary of state john kerry yesterday, perhaps always helpful to have a friend onboard your bus. For joe biden, this was him really laying the oldfashioned groundwork going county to county Holding Town Hall events. Thursday he got into a Heated Exchange with one individual that questioned his age and questioned his familys work over in ukraine. You saw joe biden fire back. Essentially, you have democrats here, look at today. Amy klobuchar, folks crisscrossing the state and you noted, Pete Buttigieg solidified himself atop polling here in iowa and joe biden while he maintains Strong National support and strong support in the likes of South Carolina, nevada, california, the same time, one place he really is looking to perform and boost numbers is here in iowa, because iowa can change the narrative of an entire race. You saw it in 2008 between Hillary Clinton and barack obama when barack obama pulled off that victory here in iowa over Hillary Clinton. It changed trajectory of the race and began to change the numbers particularly looking at South Carolina. Thats where joe biden and his campaign understands he needs to perform well in iowa essentially to give credence to the rest of the country he should be the goto candidate not only in New Hampshire but then in nevada, South Carolina and on to super tuesday. Those bus tours of a slug. One more day to go. Vaughn hillyard from the banks of the cedar river in iowa. Appreciate it. Today new revelations as authorities hunt for the motive behind a deadly shooting at a Naval Air Station in pensacola. The gunman has been identified at a Saudi National named mohammed al ra shani w rashami. Were following the developments from pensacola. Blaine, were expecting a press conference in a couple of hours, but what do we know right now . Reporter those are one of the biggest things well ask. What we know about the shooter. Also trying to find out about those victims unfortunately and tragically in that gunmans path. He killed three, eight moor sent more sent to the hospital. Were working to find out more about them. Im outside of a Baptist Church where many in the community gathered and held a prayer vigil just wrapping up as im here now. This was a place for the community to come and hold some sort of healing. We know some of the First Responders spoke inside there. There was a moment when members of the military were called up front angd the congregation asked to come up and embrace them. Certainly very emotional moments here inside the church. Really what were seeing all over pensacola. A lot of questions about what happened. How it could have been allowed to happen, but people really coming together and celebrating the heroism we saw happen yesterday and take place yesterday. Speaking of the victims, kendis. I want to tell you a little bit more about what were learning. At least in terms of one of them. Weve confirmed names of one of the victims killed in the massacre joss wa caleb watson. A man from enterprise, alabama. If i could share a little bit of a very touching Facebook Post that his brother put up earlier today. Kind of describes watsons final moments before he unfortunately died in the gunmans path. We know he was inside that classroom building on base. He was shot multiple time. Despite the facts suffering gunshot wounds was able to make it outside and tell First Responders where that shooter was allowing them to go inside and ultimately take him down and possibly saved countless lives. Some of the tales of bravery that were hearing coming out of pensacola. Newspapers across the world now calling joshua a hero. So young. 23 years old i believe. His age. Have authorities determined at all what started this . Or what could the possible motive have been behind all this . Reporter thats the question we keep asking and what officials are not releasing right now. The fbi has been very clear this is going to be a long process. Its going to about deliberate and intense investigation. Quite frankly, theyre just at the beginning now. Theyve made it clear theyll speak to us, give more information as they can. Theyre not willing to release a motive as of right now. We do know that weve had agents, theyve had agents, rather, on base combing through what theyre calling a very large crime scene for the better part of last night, overnight, into day. It will continue. To that point the base is partially closed for the wrn weekend. Essential personnel allowed, people who live on the base allowed on. Otherwise, restricted access as investigators continue to look into this, kendis. Joining us from pensacola, florida. The Second Military base shooting in a week. Unbelievable. Thank you. Trouble on the world stage. Coming up that viral moment during President Trumps nato visit and what it means for cooperation with our closest allies. And a deal with iran leads to freedom for an american citizen. Details on the prisoner swap that took place today. 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The Supreme Court has blocked a Trump Administration request to resume federal executions that were slated for this monday after a 16year break. Justices upheld a Lower Court Ruling in favor of four death row inmates who claimed executions by lethal injection would violate civil war. Samuel Alito Gorsuch and kavanaugh said likely to prevail and a lower court should decide the case in 60 days. Didnt take long for joe bidens campaign to take advantage of that viral meeting of World Leaders making fun of President Trump. Several World Leaders mocking President Trump. Theyre laughing at him. My administration has accomplished more than almost any administration in the history of our country. Didnt expect that reaction, but thats okay. Allies are deeply worried about it. They say hes becoming increasingly isolated. Something is very wrong. The world sees trump for what he is. Insincere, illinformed, corrupt. Dangerously incompetent and incapable until my view of World Leadership. So where is our standing on the world stage . Joining me now to break it down, world news editor for the daily beast. Joining us from pa