Sebastian Junger, who co-directed the film "Restrepo" with Tim Hetherington, talks about the loss of his friend, who was killed in April while covering the conflict in Libya. He's written a remembrance of Hetherington in Vanity Fair. He’s joined by photojournalists Mike Kamber and Christopher Anderson, who were personally changed by Hetherington’s death. They’ll reminisce about Hetherington’s life, the challenges of war photography, and the close-knit community of war correspondents. They're featured in the article "You Never Forget that First Taste of War" in New York Magazine.