Pennsylvania GOP Senate Candidates Square Off In First Debate

Former hedge fund CEO Dave McCormick took on Celebrity doctor Mehmet Oz in Pennsylvania’s first GOP Senate primary debate. NBC’s Dasha Burns reports on how the two are neck-and-neck in the polls but the latest numbers are showing 43 percent of Republican voters are still undecided.  » Subscribe to NBC News: » Watch more NBC… Continue reading Pennsylvania GOP Senate Candidates Square Off In First Debate