They say a leopard can't change its spots. Can a one-time Klansman change his, umm, sheets? The way Sen. Robert Byrd (D-W. Va.) acted this week, it's fair to ask. Byrd was one of three Democratic senators who used a parliamentary maneuver to delay a full vote on the nomination of Condoleezza Rice to be the next secretary of state. Rice had been approved by the Senate Foreign Affairs Committee by an overwhelming 16-2 margin. The only "nay" votes were from sore-loser John Kerry and loony lefty Barbara Boxer (D-Calif.). [snip] But Byrd stepped in to block the vote,...