Retired intelligence officer Paul R. Pillar says the U.S. should try harder to curb the export of terrorists — particularly homegrown ones — and terrorism from its own territory. "The U.S. export of terrorism calls into question the high -- perhaps sometimes impossibly high -- standard to which Washington holds other governments in controlling what emanates from their territories," he says. The U.S. should also understand that it is not really the center of the counterterrorist universe...and that some foreign partners...have at least as much to teach the U.S. on the subject as the other way around. "