MSNBC's Chris Matthews on Thursday assailed John McCain, slamming the "boiling hatred" aimed at Chuck Hagel, Barack Obama's Defense Secretary nominee. Matthews sneered, "Hatred, pure and simple, seeped from the mouths of John McCain and Lindsay Graham as they slashed away at war hero Hagel." (McCain is also a war hero. Graham is a veteran. Are those with military experience only allowed to speak out if they agree with Matthews?