David Kilcullen, Non-Resident Senior Fellow Center for a New American Security, testifies on Capitol Hill in Washington, Tuesday, July 27, 2010, before the Senate Foreign Relations Committee hearing on Afghanistan. (AP Photo/Alex Brandon)

Photo by: Alex Brandon

David Kilcullen, Non-Resident Senior Fellow Center for a New American Security, testifies on Capitol Hill in Washington, Tuesday, July 27, 2010, before the Senate Foreign Relations Committee hearing on Afghanistan. (AP Photo/Alex Brandon)