By Pir Zubair Shah, Sabrina Tavernise and Mark Mazzetti / The Bulletin
August 8, 2009
ISLAMABAD " U.S. and Pakistani officials said Friday they were increasingly convinced that a U.S. drone strike two days earlier had killed Baitullah Mehsud, Pakistan's enemy No. 1 and the leader of its Taliban movement.
While Mehsud was a pivotal figure who held together the loose and....