Normally, they like to keep Joe Biden locked up. This is a good instinct, because when he gets out in front of the cameras, he starts saying the kinds of things he's been saying over the course of the last two weeks. Still, every now and then, they have no choice but to let Crazy Joe off his chain so he can run around the yard a bit. Friday, they let him speak before the National Association of Community Health Centers policy summit in Washington, D.C.