The over- the-top reaction to the OP mirrors an attitude prevalent in sections of American society that frightens many people in other parts of the world. I'm very pleased though that there seems to be a growing number of people in the US who feel the same way to the rest of the world - opinion polls conducted since the Boston bombings indicate that more in the US are frightened by their own government abusing constitutional liberties than they are of the dangers posed by foreign terrorists.
http://www.sodahead.com/living/poll-americans-fear-government-more-than-terror/question-3662897/?feed=3393667&new=1&scroll=1
(Against that I suppose you have to balance the opinion expressed here by UK lawyers who seem to think it ok to overturn Magna Carta on account of the danger to public safety posed by these pressure cooker WMDs .)

Law professor Obama has never actually claimed the right to kill anyone at any time with drones perhaps , but , it's really not far from that . In practice that is what he does on Kill Tuesdays isn't it? I get the impression that some of his admirers wouldn't object if Obama did claim de jure the right to commit murder as and when it suited him - he is the leader of the free world after all.