Barack Obama, Raul Castro
US President Barack Obama and Cuban President Raul Castro shake hands during their meeting at the Summit of the Americas in Panama City, Panama, Saturday, April 11, 2015. (AP Photo/Pablo Martinez Monsivais)
US President Barack Obama and Cuban President Raul Castro shake hands during their meeting at the Summit of the Americas in Panama City, Panama, Saturday, April 11, 2015. (AP Photo/Pablo Martinez Monsivais)