 Thursday was a one-off. He had a bad night. Anybody can have a bad night. For crying out loud. Willie Mays used to go over four every now and then. And he was overprepared. Ron Klain, his former chief of staff, put too much stuff in his head and he couldn't get it out in time. It was crammed in there too much. Like sardines. And of course, being overprepared caused him to say, we beat Medicare. And being overprepared caused him to say,