Neither did Cheney, Rumsfeld, or Wolfowitz. They were playing Captain Ahab to Saddam's great white whale. Imperial Hubris makes the case that lots of people in the CIA and counter-terrorism divisions elsewhere in the US government knew all about Bin Laden and the threat he posed. They were from all accounts marginalized and not listened to. Bush demoted Dick Clarke, among the most vocal and focused of the al-Qaeda experts, from his cabinet. Dick could never thereafter get any real cooperation from the cabinet officers, who outranked him, and he could not convince them to go to battle stations in the summer of 2001 when George Tenet's hair was "on fire" about the excited chatter the CIA was picking up from radical Islamist terrorists. As for the Clinton