When terrorists crashed a plane into the Pentagon, he was there-helping carry the wounded to safety. And he's been there-leading the war on terror, directing its operations around the world in both open and covert missions, and bluntly focusing on one primary goal: killing terrorists. He is Donald Rumsfeld. His great fear was a second Pearl Harbor. When it happened on September 11, 2001, he led the charge to make sure it never happens again.