cost the most is the question mark, but certainly, enthusiasm and ground, ali. that is really, really going to matter when these temperatures, i came described to you. it is really brutal out here. iowans are hurting, but this is something else. >> reporter: i grew up in canada, i'm used temperatures. but that serious stuff. that would make the rest of us stay home. steve bannon, i never really want to roll my eyes when donald trump does his anti immigrant birtherism stuff. can't be that much of a describe. donald trump's on this price gonna be tomorrow, he is deathly got an eye on nikki haley, and what she threatens if she gets closer to him. but first, he comes up with a lie that she's not eligible to run for president. that's entirely just probable and untrue. but what is your take on nikki haley and donald trump at the moment? >> the fact that he went after with the birth attack suggests he is concerned. when you look back, you look at