Happy Valentine's Day, Barack! Obama hasn't yet snagged the Democratic nomination. But already, like John Kerry before him, he's about to become the target of an "exposé film." As reported in the New York Times, the conservative group Citizens United has budgeted about $1 million to produce the film, which they plan to distribute this summer. The group and its president have previously released such creatively-titled valentines as Hillary, the Movie (a love song......