so there's some genuine uncertainty here and it's uncertainty with tremendous stakes for what both the republican party and american politics looks like going forward. >> right. if you go back to the last campaign, it was very easy to understand. it was romney and the non-romneys. and every time somebody seemed to have a better chance to beat romney, he'd rally or she'd rally the right. but what you have in this race is no really strong figure, other than trump, who dominates the stage and you have all the constituencies of the party even are divided. there's no clear evangelical candidate. there's no clear libertarian candidate. and there's no clear tea party candidate. so you have this fractioning -- i'm sorry. -- of the party that is creating problems even on the right itself. >> all right. e.j. dionne, mckay coppins, michelle goldberg, thank you all. still ahead, the floodgates are open on the benghazi committee as new details emerge on how far the inquiry has wandered into personal attacks