This spring, Professor [Henry Louis Gates Jr.] returns to PBS with "Black in Latin America," a new four-part, four hour series. Focusing on six Latin American countries - Haiti, the Dominican Republic, Cuba, Brazil, Mexico and Peru - the series explores the influence of the African diaspora on Latin America. On his journey. Gates discovers a shared legacy of colonialism, slavery and people marked by African roots. In his new series. Gates sets out on a quest to discover how Latin Americans of African descent live now, and how their countries acknowledge - or deny - their African past.