thank you for joining us. i m andrea roane. trump trump shot straight to the polls where he s remained until now. we head straight to the polls. reporter: for the first time, dr. ben carson has dethroned trump. the poll was conducted by cbs news and the new york times. trump says carson now has to show he can handle the spotlight. i ve been there for, i guess, 100-some-odd days and we ll see how ben holds up to the scrutiny. ben s got a lot of things in his past, and we ll see. he has a 22-point lead over trump and nine-point spread with tea party members. by contrast, donald trump has lost 12 and 8 points among these groups in the last two weeks. voters say he is a political outsider and retired neurosurgeon is playing up those credentials in a new ad that takes a shot at the washington elite. the political class and the buddies say impossible. he s too outside the box. well, they do know impossible. impossible to balance the budget, impossible to get border securi