Viewers who watched Ed Schultz on Wednesday witnessed something rare on the liberal host's show: a guest who voted for Republican Mitt Romney in 2012. Dirty Jobs star Mike Rowe appeared and even got in a dig at Schultz's expense. After the MSNBC anchor touted his working class background and love for trucks, Rowe quipped, "I can make a call. I can have [a truck] in your driveway before you say, 'holy crap, I'm cancelled!' [See video below. MP3 audio here.] A surprised Schultz blurted, "I'm just trying every time slot here at MSNBC." Rowe joked, "Something's bound to stick." Earlier in the segment,...