BY MATTHEW ROSENBERG AND ZAHID HUSSAIN
ISLAMABAD—A pair of suicide bombers struck paramilitary recruits at a training center in volatile northwestern Pakistan, killing at least 80 people in an attack the Pakistan Taliban claimed was its first strike in revenge for the slaying of Osama bin Laden by U.S. forces.
Friday's bombing was likely to deepen the anger in Pakistan over the U.S. raid against bin Laden. Launched without Pakistan's knowledge, the raid has been widely portrayed here as a violation of Pakistani sovereignty by a mercurial ally whose own fight against al Qaeda and the Taliban has left Pakistan exposed and vulnerable.
Thousands of Pakistanis ...