U.S. President Barack Obama leads General David Petraeus from the Oval Office of the White House to a statement in the Rose Garden in Washington, June 23, 2010, where he announced that General Stanley McChrystal has been relieved of duty as top war commander in Afghanistan and replaced with Petraeus. With Obama is Secretary of Defense Robert Gates (R). REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)