Did Jorge Castañeda invent his latest Cuba tale or is there some truth to the story?

Alleged plot against Raul Castro draws skepticism

By Arthur Brice

(CNN) -- Some long-time Cuba watchers expressed skepticism Tuesday over a report by former Mexican foreign minister [Jorge Castañeda] that Communist leader Raul Castro removed two top-ranking officials earlier this month because they were plotting to overthrow him with the support of Venezuelan President Hugo Chavez.

Complete CNN Article

The original Jorge Castañeda article in Newsweek.