Sabrina Tavernise Carlotta Gall Nyt News Service

The Pakistani Taliban, which American investigators suspect were behind the attempt to bomb Times Square, have in recent years combined forces with Al-Qaida, experts say.

President Barack Obama's timetable for U.S. forces in Afghanistan rattled nerves in that country and Pakistan on Wednesday.

The Pakistani Taliban, which American investigators suspect were behind the attempt to bomb Times Square, have in recent years combined forces with Al-Qaida, experts say.

President Barack Obama's timetable for U.S. forces in Afghanistan rattled nerves in that country and Pakistan on Wednesday.