Key players in U.S. interrogation policy

• Story Highlights
• Bush signed '06 Military Commissions Act, to detain terror suspects indefinitely
  
• Donald Rumsfeld attributed abuses at Abu Ghraib prison to a "few bad apples"
  
• Current Attorney General Eric Holder is reviewing Bush interrogation memos
  
• Democratic Sen. Patrick Leahy calls for probe into who authorized Bush-era tactics