Bin Laden to America: Prepare for Revenge Against U.S.

Usama bin Laden threatened Americans in a new audio tape Wednesday, saying President Barack Obama inflamed hatred toward the U.S. by ordering Pakistan to crack down on militants in Swat Valley and block Islamic law there.

Bin Laden claimed U.S. pressure led to a campaign of "killing, fighting, bombing and destruction" that prompted the exodus of a million Muslims from Swat Valley in northwest Pakistan...