President Barack Obama, center, first lady Michelle Obama greet children and families of Embassy personnel during an event at Melia Habana Hotel, in Havana, Cuba, Sunday, March 20, 2016. (AP Photo/Pablo Martinez Monsivais)
President Barack Obama, center, first lady Michelle Obama greet children and families of Embassy personnel during an event at Melia Habana Hotel, in Havana, Cuba, Sunday, March 20, 2016. (AP Photo/Pablo Martinez Monsivais)