Fred Thompson complicates life for Mitt Romney. Without the Tennessean in the race, Romney's folks had visions of a head-to-head match-up with Rudy, and all that entails, dancing in their head. But it doesn't seem like they're going to have that option. So now they're trying to define Fred before he even gets in. As I reported in my weekend piece on Thompson, Romney's top social conservative staff liasion has sought to cast doubt on the former senator's commitment to the pro-life cause. "FYI -- wanted to make sure you were all updated as this story develops and we all...