Cuban President Raul Castro (front left) talks with Sen. Patrick J. Leahy (fifth from left), Vermont Democrat, and members of his delegation at Revolution Palace in Havana on Tuesday, Feb. 19, 2012. (AP Photo/Juventud Revelde, Estudios Revolucion)

Photo by: Estudios Revolucion

Cuban President Raul Castro (front left) talks with Sen. Patrick J. Leahy (fifth from left), Vermont Democrat, and members of his delegation at Revolution Palace in Havana on Tuesday, Feb. 19, 2012. (AP Photo/Juventud Revelde, Estudios Revolucion)