Pakistan has repeatedly rejected those requests, arguing that it already is battling militants in other tribal areas and does not have the manpower for another offensive.
However, its widely believed that Pakistan views the Haqqanis and the Afghan Taliban as likely key players in Afghanistan's future once the U.S. pulls out — at which point Pakistan would prefer them as allies and not foes.
On the question of Pakistani support for Bin Laden, Clinton appeared to come away from Friday's meeting convinced that the country's top leadership did not know the Al Qaeda leader's whereabouts.
"They were quite emotional in conveying how they would have gone after him if they had known he was there," Clinton said. "As [President Zardari] said, there's a lot of reason to believe Al Qaeda was behind his wife's murder." Zardari's wife, former Prime Minister Benazir Bhutto, was assassinated in 2007.