Monica A. King/U.S. Departement of Defense Retired four-star Gen. David Petraeus, a veteran of nearly four decades in the U.S. Army who later served as director of the CIA in 2011-2012, was pictured in August 2011. Retired four-star Gen. David Petraeus is a veteran of nearly four decades in the U.S. Army, commanding U.S. forces...