Egyptian Mohamed ElBaradei, a former nuclear watchdog, has emerged as a possible reform broker and leader in Cairo, but he has a reputation as a foe of U.S. interests. As International Atomic Energy Agency director, Mr. ElBaradei never allowed his agency to affirm one way or the other in public that Iran was pursuing nuclear weaponry. (AP Photo)

Egyptian Mohamed ElBaradei, a former nuclear watchdog, has emerged as a possible reform broker and leader in Cairo, but he has a reputation as a foe of U.S. interests. As International Atomic Energy Agency director, Mr. ElBaradei never allowed his agency to affirm one way or the other in public that Iran was pursuing nuclear weaponry. (AP Photo)