Greg Corombos of Radio America and Jim Geraghty of National Review react to all three Republican hopefuls refusing to promise they will back the eventual GOP nominee. They also discuss Donald Trump’s comments on Michelle Fields after Trump’s campaign manager is indicted for grabbing Fields earlier this month – and notice how Trump’s comments on women seem to be unnerving some of his most ardent supporters. And they react to the way Ted Cruz handles questions from a hostile press.