`Descendant` and `Rosa Parks` provide new windows into chapters in Black history
(CNN.com Entertainment)

Two powerful documentaries explore different aspects of Black history this week, in each case shedding light on misrepresented or under-covered chapters. Presented by Barack Obama`s company under its Netflix deal, `Descendant` examines the discovery of a long-sunk ship that brought enslaved Africans to Alabama, while `The Rebellious Life of Mrs. Rosa Parks` reclaims a figure whose legacy was too often characterized as the product of tired feet.