Four documentary giants gathered in Park City, Utah, for a celebration of documentary filmmaking during the Sundance Film Festival.
Alex Gibney ("Casino Jack and the United States of Money"), Davis Guggenheim ("Waiting for Superman"), Mark Lewis (Cane Toads: The Conquest 3D") and Lucy Walker ("Countdown to Zero") talked about making documentaries in the current social and economic climate.
"I think it is a golden era of documentary filmmaking, if not a gold rush," said Lucy Walker.
Davis Guggenheim added, "I think a lot of us start making documentaries because we want to change some injustice."
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