In 2009, filmmaker Danfung Dennis was embedded with U.S. Marines "Echo Company" as the marines launched a major offensive on the Taliban stronghold of Helmand province in Afghanistan.  Danfung worked closely with Sergeant Nathan Harris, one of the Marines leading the charge.  When Danfung returned to U.S. a few months later, he discovered that Sergeant. Harris had been gravely injured, just two weeks before his battalion was scheduled to return home.  The story of Sergeant Harris's recovery is now the focus of Danfung Dennis's newest documentary, "Hell and Back Again." This film is nominated for a 2012 Best Documentary Oscar. In anticipation of the Academy Awards on Sunday, Danfung Dennis and Sergeant Nathan Harris join us to discuss the film.   "Hell and Back Again" Trailer: