John at Powerline hits the nail on the head:
Obama comes across as a whiner who is happy to dish out personal attacks, but thinks he should be entitled to some kind of immunity. I suspect that he played the patriotism card because he knows how vulnerable he is both on foreign policy and on character, and is hoping to delegitimize, or at least fend off, any criticisms in those areas as attacks on his patriotism. It isn't going to work.
read the whole thing