A former head of counterterrorism at the CIA, who was investigated last year by the Justice Department for the destruction of videos showing senior al-Qaeda officials being interrogated, says the harsh questioning of terrorism suspects produced the information that eventually led to Osama bin Laden’s death. Jose Rodriguez ran the CIA’s Counterterrorism Center from 2002 to 2005, the period when top al-Qaeda leaders Khalid Sheikh Mohammed (KSM) and Abu Faraj al-Libbi were taken into custody and subjected to “enhanced interrogation techniques” (EITs) at secret prisons overseas. KSM was subjected to waterboarding, sleep deprivation and other techniques. Al-Libbi was not waterboarded,...