Fidel Castro essay seems to dismiss U.S. leader 's call for Cuba to free dissidents . Raúl Castro has said Cuba is prepared to talk with U.S. about `` everything '' President Obama responds by saying Cuba should send signal and free prisoners . In an essay published in state-run newspapers Wednesday , the ailing revolutionary leader said the people Washington calls political prisoners are `` in the service of a foreign power that threatens and blockades our homeland . '' Comment:
Fidel Castro essay seems to dismiss U.S. leader 's call for Cuba to free dissidents . Raúl Castro has said Cuba is prepared to talk with U.S. about `` everything '' President Obama responds by saying Cuba should send signal and free prisoners . Comment: