Context of Driving while black : race, space and mobility in America, a film by Gretchen Sorin and Ric Burns ; produced by Emily Pfeil, Emir Lewis, Steven Bennett, Kathryn Clinard ; senior producer, Bonnie Lafave ; co-producer, Greg Sorin ; written & directed by Ric Burns and Gretchen Sorin ; a production of Steeplechase Films