Check it out in theaters near you. It's only playing for one week at the Angelika in Dallas.
What do Cornel West, Madeleine Albright, Daryl Hannah, Julia Ormond (shown), Ashley Judd, Nicholas Kristof and artists including Moby, Natasha Bedingfield, Cold War Kids, Matisyahu, Imogen Heap, Talib Kweli, Five For Fighting, Switchfoot, members of Nickel Creek and Tom Petty’s Heartbreakers, Rocco Deluca all have in common?