oday at the Television Critics Association Winter Press Tour, PBS and Maryland Public Television (MPT) announced two original documentaries that shed new light on the lives of a pair of towering figures in the struggle to end slavery: Harriet Tubman and Frederick Douglass. Produced by MPT in association with Firelight Films, BECOMING FREDERICK DOUGLASS and HARRIET TUBMAN: VISIONS OF FREEDOM are executive produced by Firelight founder Stanley Nelson (Attica, Freedom Riders, The Black Panthers: Vanguard of the Revolution) and Lynne Robinson.