James Clapper with President Obama shortly after being nominated for the post of Director of National Intelligence. He would be the fourth person in the job since it was created in the wake of the Sept. 11 attacks. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

Army Gen. Stanley McChrystal, the top U.S. commander in Afghanistan, in Kandahar earlier this week. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Gen. Stanley McChrystal (right), commander of U.S. and NATO forces in Afghanistan, meets Thursday with Defense Secretary Robert Gates at NATO headquarters in Brussels. Pool/Getty Images hide caption

itoggle caption Pool/Getty Images