marks, it's not a surprise, we all expected as of this morning that it might be sarah palin. how significant do you think it is? >> you know, it's important for donald trump in this respect. it allows him to dominate news coverage. you and i are talking about it, we'll probably be talking about this news over the next 24 hours or so. it also allows him to strengthen his bona fides with conservatives. a few months ago, conservatives were saying donald trump is a democrat, he's not conservative enough. having sarah palin stand next to you erases some of those doubts. so that's good news for donald trump. does this change voters' minds in iowa? that i don't know. sarah palin really hasn't been a significant political figure in this presidential campaign or even in the last couple of years or so. she certainly played a big role as the vice presidential running mate in 2008. a big endorser in 2010, but has since dropped off the political stage. but i would say this about sarah palin. she was essentially donald trump before donald trump. having a public, political figure who fires

for analysis of the republican race, i want to turn to mark murray. mark, start with trump-palin. we talked about endorsement. obviously it helps trump to a certain degree. hi and team clinton sending out this tweet last night, sarah palin, congrats to the youtube commenter who wrote your remarks. ouch. >> kate, i think this goes to the point that when it comes to a republican primary and a republican electorate, particularly the people donald trump is going after, this is probably a net plus. it's important not to always make too much of endorsements. a lot of people thought in 2004 al gore's endorsement of howard dean was going to clinch the nomination for him, didn't turn out that way. but you end up with trump strengthening his credentials with republicans, and having sarah palin on than stage, i don't think any of the trump detractors would say donald trump is a democrat in disguise as you heard from a lot of republicans just a few months ago. the other thing this ends up doing for donald trump, it allows donald trump to dominate the news cycle for 24 hours. >> and here we ar