60 Minutes on CBS News: Shifting rules on interrogation - Cofer Black, former head of the CIA's Counter-terrorism Center, says the enhanced interrogation program was designed to "defend innocent men, women and children" - and succeeded, despite the controv ersy it caused.

Lesley Stahl has profiled Mark Zuckerberg twice for "60 Minutes" but, until now, there was one question that always went unanswered. Read more by 60 Minutes Overtime Staff on CBS News' 60 Minutes Overtime.

60 Minutes on CBS News: Forging an Islamic democracy - Fethullah Gulen's embrace of Western values has helped to modernize Turkey -- and is now spreading beyond its borders, explains Abdulhamit Bilici, general manager of the Cihan News Agency in Istanbul.

60 Minutes on CBS News: Is the Air Force's F-22 fighter jet making pilots sick? - Two military pilots won't fly the F-22 Raptor, the Air Force's most sophisticated fighter plane, because they say a lack of oxygen during flight is causing disorientation and worse. Lesley Stahl reports.

60 Minutes on CBS News: Injured veteran: "I have a great life" - Being wounded doesn't change a young man's concerns about his love life, Bryan Anderson tells David Martin in this candid conversation about the explosion that took both his legs and one arm.

60 Minutes on CBS News: Partners in marriage - and espionage - Former CIA officer Hank Crumpton tells Lara Logan that his wife had no formal training as a spy, but occasionally helped in his operations.

60 Minutes on CBS News: Hank Crumpton: Life as a spy - Former CIA officer Hank Crumpton takes 60 Minutes on a tour through the murky world of the Clandestine Service and explains how the CIA toppled the Taliban after 9/11. Lara Logan reports.

60 Minutes on CBS News: U.S. charter schools tied to powerful Turkish imam - Over the past decade, followers of the mysterious Turkish cleric Fethullah Gulen have opened scores of charter schools in the U.S., inspired by a man who is as powerful as he is r eclusive. Lesley Stahl reports.

60 Minutes on CBS News: Preview: The Role of a Lifetime - "CSI: NY" star Gary Sinise's appearance in "Forrest Gump" helped lead to his humanitarian efforts for disabled veterans like the "Lt. Dan" character he made so memorable in the classic film. David M artin reports on Sunday, May 13 at 7 p.m. ET/PT.

Even before it flew, the F-22 was making news. Steve Kroft was there at the controversial start of the nation's most expensive and hi-tech jet Read more by 60 Minutes Overtime Staff on CBS News' 60 Minutes Overtime.