In this Dec. 20, 2014 file photo, Cuba's President Raul Castro speaks in Havana, Cuba. He has pledged to release 53 political prisoners.
In this Dec. 20, 2014 file photo, Cuba's President Raul Castro speaks in Havana, Cuba. He has pledged to release 53 political prisoners. Ramon Espinosa AP
In this Dec. 20, 2014 file photo, Cuba's President Raul Castro speaks in Havana, Cuba. He has pledged to release 53 political prisoners. Ramon Espinosa AP