411A
Not even close to the extent it needs to be (screening that is).
Guns... Americans love 'em. The sacred right to bear arms. Shoot first, ask questions later. How many gun deaths in the US last year?
Europeans hate them. Rather not fly than have guns on board.
Lots of good arguments on both sides (see the relevant thread), but I am absolutely with you on the subject of eliminating the bad guys. No argument at all. Saves all the expense of a pointless trial as well.