Right now, striking back egypt launches air strikes against isis targets in libya. Avenging the beheading of 21 egyptian christians is isis spreading its terror beyond iraq and syria . Danish terror Danish Police arrest two men charged aaiding gunman believed responsible. Was it inspired by the attacks in paris. We will not accept any attempt to threaten or intimidate our liberties and rights. Snow end in sight. While the deep south gets hit with an unusual snowstorm there, the northeast endures another round of record breaking snow. Coming up well talk to boston mayor marty walsh. How is boston strong handling winters wrath. Class reunion, the queens and kings of saturday night comedy. King tut. 40 years of snl magic and new surprises for young and old. Well good day, im Andrea Mitchell in washington. Hundreds and thousands of egyptians living in libya has been ordered by the islamic breakaway government to leave the country in 48 hours or else after egypts air strikes today targeting isis in libya, strikes that are a direct response to isis beheading of the 21 egyptians, tensions are clearly on the rise not only in the middle east but Northern Africa as well. Ayman, tell us how we got here. A lot of us may have thought that isis was limited to iraq and syria but what about whats happening in libya . For the past several months as libya continued to kind of fall into this chaos, this division between the two shadow governments, isis and other militant groups continue to get a hold inside that country. What we saw over the past 48 hours really by many considered to be the ffrt time isis showing itself inside libya with the same tactics and same brutality that weve seen inside syria and in iraq. What happened over the past 48 hours after several weeks of these 21 egyptian christians essentially being kidnapped or having gone missing, they appeared in a video that showed their execution, cold blooded murder. In response the egyptian president vowed revenge. This morning the Egyptian Air Force carried out several strikes, targeting weapons depots and training sites that they say belong to isis. The Egyptian Government is Libyan Government saying that as a result of egypts air strikes, at least 64 militants were killed. Thats very hard to confirm that. That is according to the pro Egyptian Government allied with the international community, not in tripoli, where that order came to evacuate hundreds and thousands of egyptians within the next 48 hours. Is there any sign that the egyptians in libya will answer that order and leave that port of the country controlled by tripoli and islamist . They are taking it seriously having heard from the Egyptian Government. The egyptian president has made clear there is a travel ban on egyptian citizens trying to get into libya. The question is the hundreds and thousands inside libya. As a result of this Division Within inside libya, cairo does not recognize the government in tripoli so there are no con sue lar services or diplomatic channels between two those. There are tens and thousands of egyptians trying to get out but for them right now perhaps no easy way to get out and obviously given the fact that 21 or so were kidnapped over the past several weeks, theres a massive concern that the movement of egyptians from libya into egypt may very well be in danger as a result of how chaotic the situation there is. Its certainly something the Egyptian Government is watching very closely and now a major cause of concern for hundreds and thousands that live there. Would there be any effort to evacuate them or the Egyptian Military would have no access to that part of libya . The Egyptian Government at this point has no capability of trying to evacuate them on its own. What we try what we understand is happening right now is a call for egyptian citizens not to travel into libya and now what is being described as a warning by the government in trip lip saying that as a result of egypts involvement, it can no longer guarantee the safety of these hundreds and thousands of people. Some are interpreting that as a veiled threat from the Umbrella Organization of militias that control tripoli in the western part of the country. Thanks so much ayman, it raises questions about the nato taking down of gadhafi and what has transpired in libya ever since to be continued. And now to the attacks over the weekend. Three people are dead including the gunman after two fatal attacks similar to the attacks in paris last month. Two men have been arrested under suspicious of helping shooter. There appeared to be no link between the 22yearold shooter and organized terror group. Questions do remain about the threat of home grown terror given the fact he was danish born and raised and the question of antisemitism. Keir weve heard from the Prime Minister today. What about the latest from denmark . Reporter its gut wrenchingly familiar like other attacks, we can hear them preparing for a rally where thousands of people are expected to attend. There are bells ringing out and yet behind me you get a sense of fear of the first attack in the window of the cafe behind me where they were holding free speech event, i counted 27 bullet holes. Some reports say there were more than 30 shots fired. Meanwhile, local media is naming the shooter, that wasnt been confirmed by the police or nbc news but two people have been arrested, and appeared in court today and were charged. Their lawyer tells us that they are accused of helping that shooter hide weapons and also helping him hide from police before a Second Attack at a local synagogue. And the danish Prime Minister had a press conference this morning, i want you to play a little bit of that. This is not a conflict between islam and the west. This is not a conflict between muslims and nonmuslims. This is a conflict between the core values of our society and violent extremists. Collectively and united we will remain who we are. Of course the People Killed included a documentary film maker, fin norreguard and security guard, dan luzan, he was heroic in holding off the attacker because there was so many people inside. We know that the attacker suspect had a criminal history and released from jail two weeks ago. This could mirror what was discovered in france the latest reporting from france which is that these suspectses were more petty criminals who were rid cal radicalized in prison rather than having a root idealogical ferver initially. Reporter the details are just emerging and as you and i both know, in the days and weeks to come the details may not prove to be right. It appears as if he is the killer moved from street crime to extremist jihadism very quickly. Another aspect the detectives will try to establish, whether he was in some way inspired by the attacks in paris or whether he was directed from somewhere else and that really is worry being in either case because already European Security services are having to deal with large numbers of people coming back from the fighting in iraq and syria. They are when you talk to them frankly, at times overwhelmed by those numbers. Then at the same time potentially, they are having to deal with people who are simply inspired if you like. And if you go out and act alone or act with others. It does paint a very difficult picture for the European Police and European Security services in trying to tackle this threat. And unlike france we should point out that denmark has a long record going all the way back to world war ii of tremendous support for the Jewish Community. There has not been a history of antisem itism and they are rallying around the Jewish Community after that synagogue attack. Thanks so much keir. Up next back home polar express, bitter cold for much of the country with snow expected from nashville to new england. And thats only the first part of the week. This is Andrea Mitchell reports only on msnbc. Start the interview with a firm handshake. Firm, but not too firm. Make eye contact. Smile. Ay,no dont do that try new head shoulders instant relief. It has tea tree and peppermint that cools on contact. And also keeps you 100 flake free. I use it for cooling scalp relief in a snap. Mi bebe ha crecido tanto. Try new head shoulders instant relief. For cooling relief in a snap. Ring ring . Progresso its ok that your soup tastes like my homemade. Its our slow simmered vegetables and tender white meat chicken. Apology accepted. Im watching you soup people. Make it progresso or make it yourself theres something happening right here in this country. Its the sound of america. Working with american materials. In american factories. At weathertech all we do is create the highest quality Automotive Accessories including laser measured custom fit floor liners. Order yours today at weathertech. Com or call 1800carmats weathertech floor liners. Proudly made in america. Alright, so this tylenol arthritis lasts 8 hours, but aleve can last 12 hours. And aleve is proven to work better on pain than tylenol arthritis. So why am i still thinking about this . How are you . Aleve, proven better on pain. Cold snow and ice and in some places you dont often see it down south where jackets are rarely required temperatures dip well below freezing and snow has begun to accumulate over half a foot piling in tennessee. Black ice is a concern from oklahoma to north carolina. Lets get right to domenica davis. Were looking for cold temperatures which is making for snow into the ohio and tennessee valley. Heres a look at the winter storm warnings and advisory and now stretch through the ohio valley through the midatlantic. This storm is on the move. By this evenings commute, we will be looking at it across the beltway. Now the cold has pushed all the way down nashville feels like 21 degrees right now, but the core of the cold air is still locked from the eastern great lakes to the northwest. We have windchills minus zero in many cases and the cold will stick around and that is going to make for Winter Weather over the next couple of days. The Storm Tracker is showing heaviest snow through northernwestern tennessee and Bowling Green and louisville where they already have 5 inches on the ground. Its more of an ice game were looking at through southern tennessee and that will move off to the carolinas as well. A quarter inch of ice could be by the end of today for parts of tennessee off to the carolinas. Keep that in mind. Heres a look at future coast. Well show the storm out of the ohio valley it pushes to the beltway around the evening commute and after midnight and then into the new england area. Tomorrow mornings commute, it will be a snowy one for i95. The good thing with this right now, it doesnt look like a big snow maker for us here in the northeast. Were looking at the general 3 to 5 inches for most folks from boston down through new york. Thanks so much for the update. Gabe gutierrez is in it in louisville. Reporter the snow began to pick upover night and coming down at the pretty good clip. Thankfully many drivers decided to stay home because of the president s day holiday. Forecasters are expecting up to 8 inches of snow here and that would make it one of the biggest snowstorms here in recent memory. Schools here are closed and local officials are urging people to just state home. Parts of the south are also expecting to get hit very hard places like nashville are expecting several inches of snow. Other states like mississippi and arkansas are dealing with sleet and the governor of georgia just did heeclared a state of nj for 15 counties north of atlanta. In in louisville right now the temperature is in the teens or some but its feeler colder than that. Once the snow blows through, these bone chilling temperatures are expect to stick around for a while. Back to you. That is not the sunny south land. All of our favorite stars came together for a three and a half hour extravaganza celebrating the 40th anniversary of saturday night live, drawing in more than 23 million viewers, making it the most watched entertainment telecast in ten years other than the super bowl with some of the best loved characters. The sound of cow bells makes me nervous and sometimes when i get nervous i stick my fingers under my arms and i smell them like that. Superstar the adventures of tom sawyer are about this persons adventures. I dont know nothing about tom sawyer then dont buzz in. No one has to buzz in. But i know adventures and i want you to come with me on my next one, girl. Im not a girl i have a mustache on my face. Well, remembering the greats no longer with us. Live from new york its saturday night a live show. Lie down, liberty. Im chevy chase and youre not. Hello, this is barbara wa wa. Loosen up a little bit. Cheeseburger cheese burger. Excuse me. The greats who of course are also coming back some of them coming back for the reunion and from the ar chifs never before seen audition tapes for some who got cut and some who didnt. Lorne said if i sat here and stared down the cameras it would take a lot of guts. Up down up down. People have been asking me why is it that you sort of cant get to the end of a sentence . Richard, i hate to interrupt you because youre doing such a beautiful job here. Why dont you go to the store about your mother . What . Ju ju fruit . Always. These are some things i like to do on saturday night live. Apparently were using the f word tonight, thats very special. Were having a sale of all of our holiday candles. More actors . My name is jim carrey and this is my saturday night live audition. Post nuclear elvis. The veel can mint jelly. I have a new head shot its a scratch and sniff and smells like failure and onions. The new couple last night who stole the show. [ applause ] its been a long time. 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Its pretty tight and really big. There are seven candidates in double digits in one state or another. That means i think this is the least formed republican field in memory in decades, anyway with no one really jeb bush a modest frontrunner but not the kind of front runrunner we see in traditional politics. Lets look at the nbc maris poll in iowa. The leaderboard is tied. Mike Huckabee Jeb Bush scott walker, they are really within the margin of airerror. Chris christie rand paul quite a bit behind. Huckabee has strength in iowa he may not have in the other states. I think thats right. It will be difficult for somebody like Mike Huckabee or ben carson both of whom are showing strength in iowa to do beyond the first state there. I think one of the things reflected in the polls is the importance of name recognition, right . Well see that a lot in these early polls where the presumed frontrunner will be the frontrunner because the campaign really hasnt taken much shape yet and thats why you see jeb bush at the top in a place like New Hampshire. He is a formidable frontrunner of course but theres so much that needs to happen. And of course jeb bush has been sort of piling it up in the money primary but hes considered to have considerable strength because of the bush name there. Scott walker also in New Hampshire and rand paul New Hampshire has independent libertarian streak and Chris Christie just from being a northeast republican. We know its too early to know very much. What this tells us is that people are not aligned with anybody in particular. We could see big changes in the field and whoe looks up and who looks down when the campaign really gets engaged. We havent had a debate yet. Once you have the first context, second contest, youll have people emerge with strength or surprising weakness. Scott walker somebody to watch. Hes someone in double digits in all three states only he and jeb bush have that status. For someone who is not doesnt