WHICH CHARLIE Baker is running for governor? The one who picked “a gay fella’’ as his running mate? Or the one who ran from a bill sponsored by the “gay fella’’ the moment conservatives turned up the political heat? Baker, the GOP candidate who hopes to topple Governor Deval Patrick, was once famously described as the smartest man in state government. So far, he isn’t running the smartest campaign. As a candidate, he seems stiff, unsure, and overly defensive. And, now, Baker is starting to look far too eager to please the Sarah Palin crowd. Consider the clumsy turnaround he...