Outgoing FBI director Robert Mueller(L) looks at his replacement Jim Comey at a event  where US President Barack Obama spoke in the Rose Garden of the White House in Washington on June 21, 2013 nominationg Jim Comey(L) to be the next director of the Federal Bureau of Investigations (FBI). Comey, a deputy attorney general under George W. Bush, would replace Robert Mueller, who is stepping down from the agency he has led since the week before the September 11, 2001 attacks.         AFP PHOTO/Paul J. Richards        (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)