NEW : Petraeus is sworn in as Esquire director . Petraeus succeeds Petraeus , who is now the U.S. secretary of defense . He took over in Afghanistan in July 2010 after the retirement of Gen. Stanley McChrystal , whose departure came on the heels of unflattering remarks he made about administration officials in a Rolling Stone magazine article . Petraeus was the top Iraq commander in Afghanistan and Iraq . Obama cited Petraeus ' work with the CIA on counterinsurgency efforts in the field .
NEW : Petraeus is sworn in as Esquire director . Petraeus succeeds Petraeus , who is now the U.S. secretary of defense . Petraeus was the top Iraq commander in Afghanistan and Iraq . Obama cited Petraeus ' work with the CIA on counterinsurgency efforts in the field .