Video by Theresa Poulson with photos by Getty Images
VIDEO: As Gates Departs, His Legacy Still Hangs in the Balance
Updated: June 30, 2011 | 6:18 a.m.
June 30, 2011 | 6:13 a.m.
The secretary of Defense retires from his post on Thursday, leaving a popular figure -- but the history books are still unwritten.