Wonder if Joe Wilson has an alibi: The search continues for the person who hollered "baby killer" at pro-lifer Bart Stupak last night as he urged Democrats to vote down a bill-killing Republican amendment on the issue. The shout came from the GOP side of the aisle, reports the Washington Post, and likely from the Texas delegation, says a California rep initially under suspicion. The guilty party had "a southern accent," he says, but no one is naming names. "The people who know won't give it up." (More Bart Stupak stories.)