Hillary Clinton decries outside money in campaigns at an appearance in Charlotte . Thom Tills race between Democrat Kay Hagan , GOP 's Senate is nation 's most expensive . `` You have to prove them wrong , '' Hillary Clinton urges the crowd . Hillary Clinton criticizes `` out-of-state billionaires '' who are `` trying to buy this election ''
Hillary Clinton decries outside money in campaigns at an appearance in North Carolina . Senate race between Democrat Kay Hagan , GOP 's Thom Tills is nation 's most expensive . `` You have to prove them wrong , '' Clinton urges the crowd . Hagan criticizes `` out-of-state billionaires '' who are `` trying to buy this election ''