Ailing Cuban leader Fidel Castro conceded Monday that he might relinquish some formal leadership posts to make way for a new generation of leaders, a move that raised new speculation about his political future.

By PBS News Hour

Cuba's Communist daily newspaper published photos of President Fidel Castro in his bed during a visit with his brother Raul and Venezuelan President Hugo Chavez in town for Fidel Castro's 80th birthday Sunday.

By PBS News Hour

Neither Fidel Castro nor his brother Raul has been seen in public since the temporary transfer of power more than a week ago. As the possibility of the end of Castro's regime approaches, some Cubans in Miami are optimistic while…