1,500 Cubans holding US federal prisons will be repatriated to Havana. The prisoners who came to this country as part of the Mariel Exodus of 1980 are being deported under an agreement between the Clinton administration and the government of Fidel Castro. But some Cuban Americans are concerned about what could await the prisoners and fear that disagreement might signal the start of broader concessions between the governments of the United States and Cuba. I'm Vidal Guzman. From Austin, Texas, you're listening to Latino USA.