President Obama visits Cuba

President Barack Obama, second from left, arrives with first lady Michelle Obama, left, and their daughters Sasha, front right, and Malia, as they exit Air Force One at the airport in Havana, Cuba, Sunday, March 20, 2016. Obama's trip is a crowning moment in his and Cuban President Raul Castro's ambitious effort to restore normal relations between their countries. (Cubadebate/Ismael Francisco via AP)