U.S. Defense Secretary Robert M. Gates, center, walks with U.S. Ambassador to Egypt Margaret Scobey and Egyptian officials during his arrival in Cairo, Egypt, May 4, 2009. U.S. Defense Secretary Robert M. Gates, center, walks with U.S. Ambassador to Egypt Margaret Scobey and Egyptian officials during his arrival in Cairo, Egypt, May 4, 2009. SHARE: Download: Full Size (5.82 MB) Tags: photo essays Credit: VIRIN: 833189-Z-MTV31-296.jpg Photo Gallery