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"I'm not here serving my country -- I'm here serving Christians," says former U.S. soldier Brett Felton, who returned to Iraq to train Christians how to defend themselves from ISIS
When North Korea hacked Sony, BuzzFeed reporter Matt Zeitlin received the stolen -- and embarrassing -- data. Zeitlin talks to 60 Minutes
Inspired by her father to become an athlete, retired Chinese tennis star Li Na now inspires China's next generation to compete
Explorer Bob Ballard gives 60 Minutes' Lara Logan a tour of the artifacts housed at the legendary Explorers Club in New York
Charlie Rose interviews Richard Saul Wurman, who doesn't always agree with how TED has changed since he sold it
Damian Aspinall tells Lesley Stahl there's nothing unusual about letting a toddler frolic with gorillas
The 60 Minutes team has a close encounter with gorillas in Gabon
When vandals, liars and PR pros try to manipulate Wikipedia, the company says it's ready for them
Neil deGrasse Tyson doesn't think like the rest of us. Here's a glimpse into what excites an astrophysicist
Look around you -- rare earth elements are everywhere. Lesley Stahl gets a demo
