his supporters. donald trump has made very clear that he will tackle back against anybody who either insults him or catches up with him in the polls. obviously senator cruz hasn't insulted anyone. everybody says he's so nice to donald trump. look at debates he's been supportive and polite to all of the others, senator rubio's team started to hit him. so he'll hit back. we'll see what donald trump does. super pac of senator cruz himself will continue to make his case to the voters. >> doesn't he have to differentiate himself from donald trump? what will be the issues in which he does that? >> yes. i think you're already seeing than for example, people traditionally think washington experience is the death knell for a presidential candidate. this year the governors couldn't get much traction. executive experience, i'm a governor, i make important decisions for my people, terrific. either gone from the race or close to it. turns out, with all of the issues, isis, foreign poll, national security, illegal immigration, being in the crosshairs of washington, it's senator cruz and a few others