Cuba’s President Raul Castro, left, stands with Vice President Miguel Díaz-Canel during the 7th Cuban Communist Party Congress in Havana, Cuba, April 16, 2016.
Cuba’s President Raul Castro, left, stands with Vice President Miguel Díaz-Canel during the 7th Cuban Communist Party Congress in Havana, Cuba, April 16, 2016. Ismael Francisco AP
Cuba’s President Raul Castro, left, stands with Vice President Miguel Díaz-Canel during the 7th Cuban Communist Party Congress in Havana, Cuba, April 16, 2016. Ismael Francisco AP