for this country and we need to restore america to a position where the average perron has a chance agagin. money cannot equal speech or wealthy people will have everything," says dean. :51 "there's nobody that has the experience that she has," says tim bottaro, the host of the event. "back when she was just the first lady, you'd have to question, but she's so much part of what american needs." dean ran for the democratic nomination for president in 2004. he's also served as chairman of the democratic national committee. he also making six other stops in iowa later today and tomorrow to campaign for clinton. round 5 of the republican presidential debates takes place tonight in las vegas. it will be the first faceoff for republicans in more than a month, and also the first since the attacks in france and california. trump still sits atop the gop field, but finds himself being challenged by senator ted cruz. cnn's dianne gallagher is in las vegas with a preview. << heading into tonight's donald trump has a huge lead, at least in the national polls. he has crossed the 40-percent mark in a nat

and so this is going to be just the very bee agaginning.his case will be the litmus test for all police excessive force cases go forward. and the william porter case, in particular, will be very, very key for the prosecution going forward on the remaining five trials. william porter, as you know, is one of six officers charged. and he is likely to become a key witness against the other officers in this case following this trial. >> you mentioned it, the big question has been can they find an impartial jury? i mean, i think that's going to be -- regardless, that's going to linger. that's going to be a lingering question throughout this, yes? >> oh, absolutely. i mean, this is a case where people are saying, look, there's $6.4 million settlement that has to be paid from the baltimore city taxpayers who also make up the baltimore jury pool. and every single one of those jurors was aware of the facts in this case as it was reported. and every single one of those jurors was subject to the curfew and forced by the mayor following the baltimore ri