Glenn Greenwald has an article up saying that, under Obama, the US has put US citizens on a short list of people to be killed by JSOC, and the implications of this. He runs through all the logical extensions of this, and why it's a bad idea, so much better than I can. Right now, my blood is boiling (as it has been on such issues ever since I first read that the US was torturing people). This is insanity.
Go read the article.