Documentary filmmaker Greg Barker talked about his life and work, including his first job working for C-SPAN. A former freelance journalist and war correspondent, he has worked in over 50 countries across 6 continents. He has made films for HBO and for PBS Frontline, including: The Survival of Saddam (2000), The Commanding Heights (2001), Campaign Against Terror (2002), Ghosts of Rwanda (2004), The Age of AIDS (2006), Showdown with Iran (2007), and Sergio (2009). Clips were shown of shown from the documentaries and he discussed the techniques used to film them. Video in these documentaries may be disturbing to some viewers