Petraeus Cancer

FILE - In this July 9, 2009 file photo, Gen. David Petraeus speaks at the Marines Memorial Theater in San Francisco. Petraeus, the top U.S. commander for the wars in Iraq and Afghanistan, was diagnosed with prostate cancer in February and has since undergone two months of radiation treatment, the Pentagon said Tuesday, Oct. 6, 2009. (AP Photo/Paul Sakuma, FILE)