Ahead of resident Obama's historic visit, Castro's Cuba is more oppressive than ever. An Afro-Cuban dissident who spent time in Fidel Castro’s gulags, Oscar Biscet is one of many people that represent the real Cuba, the people who will be hidden from sight as resident Obama visits this week. While the resident basks in the Cuban sun and in photo-ops with its heavy-handed dictator, the fate and freedom of political resisters like Biscet remains grim. Biscet is free now in technical terms, but in reality, he remains among a cohort of dissenters who still live in an invisible prison: a...