Ex-CIA chief defends waterboarding of al Qaeda leader Jose Rodriguez has no regrets about using the "enhanced interrogation techniques" - methods that some consider torture -- on al Qaeda detainees questioned after 9/11 and denies charges they didn't work. The former head of the CIA's Clandestine Service talks to Lesley Stahl about those methods, including waterboarding, for the first time and defends their use - even comparing them to the current policy of killing al Qaeda leaders with drone strikes. The Rodriguez interview will be broadcast on 60 Minutes Sunday, April 29 at 7 p.m. ET/PT. Rodriguez says everything his...