The PSUV is widely considered to be made up mostly of hard-core socialist ideologues favored by the Castro brothers. Vice President Jaua belongs to that wing of the party, as does the president's brother, Adan Chavez. Foreign Minister Maduro is also seen as belonging to that group.
All this to say that some analysts see Cuba as having the means by which to try to influence the succession. So who would the Castro brothers like in power? Analysts say certainly Adan Chavez, the president's brother, who is seen as a hard-core socialist ideologue. Cuba also favors Jaua, the former