President Obama announces changes in military, intelligence leadership in Washington

U.S. President Barack Obama announces shifts in military and intelligence leadership in the East Room of the White House in Washington, DC, on April 27, 2011. Obama announced Leon Panetta will replace Robert Gibbs as Defense Secretary, Gen. David Petraeus will replace Panetta as CIA director., Ryan Crocker as US Ambassador to Afghanistan, Lt. General John Allen to replace Petraeus as US Commander for NATO-led forces in Afghanistan. UPI/Roger L. Wollenberg