In this July 26, 2006 photo, Cuba’s President Fidel Castro pauses as addresses a crowd of Latin American students gathered in Pedernales, in Holguin province, Cuba, for the anniversary of the attack on the Moncada barracks. As Fidel Castro gets ready to celebrate his 90th birthday on Aug. 13, 2016, many Cubans today openly describe themselves as capitalists, and say time has proven that Castro’s economic ideas do not work. (AP Photo/ Javier Galeano)