Sebastian Junger is the author of The Perfect Storm, War, and Tribe. He also is the co-director of the Oscar-nominated documentary "Restrepo."Sebastian Junger is the author of The Perfect Storm, War, and Tribe. He also is the co-director of the Oscar-nominated documentary "Restrepo."Sebastian Junger is the author of The Perfect Storm, War, and Tribe. He also is the co-director of the Oscar-nominated documentary "Restrepo."