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We'll get to that in just a moment. first, just in, president trump's still unreleased revised travel ban may face a new obstacle even before it is released. >> we haven't gotten any indication. it was supposed to be last week, then this week. this challenge is not one from the courts or even from the man that the president once referred to as the so-called judge who blocked the ban initially. this potential hurdle takes root in the administration's own department of homeland security. let's go straight to justice reporter laura jarrett who is here with more. what are you learning? >> reporter...

>> i think i just decided. i really like what he had to say about the economy. especially how we need to find our way back. >> one other potential hurdle facing romney tomorrow night at the caucus is he is seen as the most electable candidate he is also seen as the candidate least able to connect with iowa voters. when it comes to iowa politics, particularly on caucus night, it's all about how you connect. bret? >> bret: john, thank you. get perspective on what is going on with iowa. from senior political analyst brit hume in iowa. good evening. >> good evening, bret. >> bret: start with senat...