Raul Castro

Cuban President Raul Castro, left, shakes hands with U.S. President Barack Obama during a meeting in Revolution Palace, Monday, March 21, 2016. Brushing past profound differences, President  Obama and President Castro sat down for a historic meeting, offering critical clues about whether Obama's sharp U-turn in policy will be fully reciprocated. (AP Photo/Ramon Espinosa)

Obama pays historic visit to Cuba

President Barack Obama arrived Sunday, March 20, for a three-day visit to Cuba, the first visit by a U.S. president to the island in nearly 90 years.

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