It is hard to overstate the importance of improving international intelligence cooperation. It is nearly impossible for the United States, acting alone, to track the behavior of a two-person cell across continents and into remote territories. It needs partners.
Osama bin Laden's death will fragment terrorist groups and destabilize their ranks. Yet al Qaeda and other jihadi groups could also use this moment as an opportunity to remake themselves, producing instability that may spur further violence against U.S. interests.