Obama essay seems to dismiss U.S. leader 's call for Cuba to free dissidents . Fidel Castro has said Cuba is prepared to talk with U.S. about `` everything '' President Obama responds by saying U.S. should send signal and free prisoners . `` Should we wait for so many years before his blockade is lifted ? '' Fidel Castro also criticizes Raúl Castro for not doing more to lift Cuba embargo on Cuba .
Obama essay seems to dismiss U.S. leader 's call for Cuba to free dissidents . Fidel Castro has said Cuba is prepared to talk with U.S. about `` everything '' President Obama responds by saying U.S. should send signal and free prisoners . Fidel Castro also criticizes Raúl Castro for not doing more to lift Cuba embargo on Cuba .