U.S. President Barack Obama walks back to the Oval Office of the White House in Washington

 
U.S. President Barack Obama walks back to the Oval Office of the White House in Washington
U.S. President Barack Obama walks back to the Oval Office of the White House in Washington, January 10, 2011, after conducting a moment of silence for the victims of last Saturday's shooting in Tucson, Arizona, which included U.S. Congresswoman Gabrielle Gifford (D-AZ). REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS CRIME LAW)