>> sarah murray, reporting. donald trump and ted cruz by the way both expected in iowa this weekend. ted cruz will be joined by conservative radio host >>> still to come in the "newsroom," football deja vu. a familiar face on the gridiron. but who wins this time? access information from anywhere. the microsoft cloud allows us to scale up. microsoft cloud changes our world dramatically. it wasn't too long ago it would take two weeks to sequence and analyze a genome. now, we can do a hundred per day. with the microsoft cloud we don't have to build server rooms. we have instant scale. the microsoft cloud is helping us to re-build and re-interpret our business. this cloud helps transform business. this is the microsoft cloud. you can't breathed. through your nose. suddenly, you're a mouthbreather. a mouthbreather! how can anyone sleep like that? well, just put on a breathe right strip and pow! it instantly opens your nose up to 38% more than cold medicine alone. so you can breathe and sleep. shut your mouth and say

. >> cnn's sarah murray was in the room. tell us more. good morning. >> reporter: good morning carol. that is right. and when sarah palin took the stage she said she saw something of a kindred spirit in trump. a political outsider who jumped in and immediately started facing the kind of scrutiny that comes with the nation's highest office. it is unclear if he will move big blocks of voters to trump. but one thing is certain. trump will do anything to try to get that edge over ted cruz with the race so tight in iowa. >> are you ready to stump for trump? >> sarah palin is back. throwing her support behind donald trump. nearly a decade after the conservative fire brand ralliei raucous crowds, she's taking on a new mission showing up trump's rivals. and coming out swinging. >> you ready for a commander in chief who will let our warriors do their job and go kick isis ass. >> doctand reassuring iowa vote that trump, a former democrat is a true conservative. >> oh my goodness gracious. what the heck would the establishment know about conservati

so would spn like sarah palin endorsing trump help him among conservatives? >> not necessarily. i mean, sarah palin has her group of followers, but i think her influngs has diminished considerably over the last couple years. and you know, the people i think that like trump are going to like trump. i don't know that sarah palin is necessarily going to be someone that sways a large swath of conservatives who are already skeptical of donald trump that way. i don't really see that endorsement necessarily having that much of an effect, other than dominating the news cycle for a cullal more days which is a win-win for trump. >> all right, so let's head back out to iowa can check back with sara murray. any idea what this big announcement will be, sara? >> you're hearing the same speculation we are, which is a lot of people do believe that sarah palin, and you know, the trump campaign does have ties to sarah palin. donald trump's political director was a close aide to palin for a long time. sarah palin has made it no secret she is a man of donald trump. so it's certainly a possibility.

cnn's sarah murray is in north charleston south carolina, the site of tonight's debate with more. >> good morning carol. you are right, in addition to having to contend with donald trump on the debate stage now ted cruz could face questions about failing to properly disclose hundreds of thousands of dollars in loans to help found his senate bid. and ted cruz insisted he was totally transparent. >> those loans have been disclosed over and over and over again on multiple filings. if it was the case that they were not filed exactly as the -- rerequires than we'll amend the finals. but all of them have been public and transparent for many years. and that is the end of that. >> the cruz campaign and the staff are already trying to downplay this issue. they are taken to twitter. they are using the #cruz crimes and saying things like ted cruz ran with scissors. cruz krooims. ted cruz left the refrigerator door open. they are trying to downplay this into the debate. but his staff is telling me look, they are preparing for anything when it comes to donald trump and they are prepared to field