From The Miami Herald:
Fidel Castro's public absences have elevated unconfirmed reports of a grave illness. U.S. officials acknowledged that they were aware of the reports.
Cuba watchers from Miami to Washington were on high alert Tuesday, amid widely circulating but vague reports that Fidel Castro's health had taken a serious turn for the worse.
While recognizing that this kind of speculation happens periodically -- most recently in August 2007 -- those who deal with Washington on a regular basis say authorities aren't taking it lightly.
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My Comment: Even when he dies .... nothing much is going to change in Cuba. The Communist Party will still rule the country, and it will still exploit and suppress its people.