Osama Bin Laden, One Year Later: The Man and the Movement

President Barack Obama took to a White House podium a year ago Tuesday to tell the world that al Qaeda leader Osama bin Laden had been killed in a U.S. Navy SEAL raid. A year later, former White House counter-terrorism advisor and ABC News consultant Richard Clarke looks at what role bin Laden really played and how the world has changed since his death. Appearing on ABC News' "This Week" on Sunday, White House counter-terrorism chief John Brennan reaffirmed the Obama Administration's intent to...Full Story