Osama bin Laden: Now what happens?!?

Alright, he is dead, pronounced yesterday. (May 1, 2011) Didn't the United Sates government think this through???? I mean now his people are going to want revenge, what's the U.S. gonna do then?? I mean.. Now what happens to all of us?? What's going to happen? How did they find him in the cave btw????