One of the problems that McCain had in last night's debate -- and it's actually a problem I notice often with him -- is that in many cases he assumes a certain level of knowledge among the audience and will often make offhand comments that seem odd or evasive to those who don't know what he's talking about. At least two examples come to mind from last night. At one point, when he was talking about health care mandates, he made a joke about hair transplants, which would have probably sounded bizarre if you didn't know that several states require insurance companies to cover such services (though granted, it would probably seem less bizzare if you knew it was to treat hair loss from chemotherapy). Another example came when he was asked whether the U.S. would commit troops if Iran invaded Israel and whether he would do so without approval of the U.N. Security Council. He started by saying he wouldn't require Security Council approval, and mentioned how, "I thi...