Matthew Heineman
Mstyslav Chernov
Mehdi Hasan
Katie Benner
Alex Gibney
Ali Velshi
Yasmin Vossoughian
Richard Engel
Dan Cohen
Stephanie Zacharek
Bill Kristol
Ava DuVernay
Clarissa Ward
Susan Rice
George Monbiot
Hannah Dreier
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Greg Barker is an American filmmaker and producer. In 2011, The New York Times described Barker as “a filmmaker of artistic and political consequence.” Wikipedia