Karl Rove isn’t officially affiliated with any of the GOP candidates, but if you listen to him, it’s becoming increasingly clear he has a favorite. We’re not the first to notice, but Karl Rove seems firmly in the Mitt Romney camp. What’s more, he’s goes on TV a lot to lob attacks at just about every other candidate. Rove has taken a stab at just about every candidate other than Romney, and on Tuesday it was Newt Gingrich’s turn. With multiple polls showing Newt Gingrich surging in Iowa, Rove took to Fox News, to undermined the former speaker: “If in...