Pakistan's secret cooperation with America By David Ignatius

Pakistan is publicly complaining about US air strikes. But the country's new chief of intelligence, Lieutenant General Ahmed Shuja Pasha, visited Washington last week for talks with America's top military and spy chiefs, and everyone seemed to come away smiling.

They could pat themselves on the back, for starters, with the assassination of Khalid Habib, Al-Qaeda's deputy chief of operations. According to Pakistani officials, he was killed on October 16 by a Predator strike in the Pakistani tribal area of South Waziristan. Habib, reckoned by some to be the No. 4 leader in Al-Qaeda, was involved in recruiting operatives for future terror attacks against the United States.

The successful hit on Habib attests to the growing cooperation - in secret - between the US and Pakistan in the high-stakes war along the Afghanistan border, which US intelligence officials regard as the crucial front in the war on terrorism...