Just as candidate Rick Santorum was obviously building up to a compelling "grand finale" today in a speech at the Pavilion of the Battleship USS Alabama in Mobile this morning, there was a commotion in front of him and to his left. A middle-aged black woman had fainted dead-out, flat onto the concrete floor (it was a bit muggy; raining outside). A lot of candidates would have looked out, stopped talking, asked people to go see if she were okay, and then perhaps continued speaking once it was clear that responsible people were seeing to her well-being. Not Santorum. He...