There's a fascinating story in The Hill today, which quotes both Tom Daschle and former Congressman Tom Downey (D-NY) as saying McCain was seriously considering it. According to the story, McCain's close adviser, John Weaver, approached Downey in 2001 to ask him why the Democrats weren't talking to McCain about switching parties. Downey, a lobbyist who is a close friend of Weaver's, says that Weaver told him McCain would...