Cuba leader Raul Castro says new term will be his last  The
81-year-old takes on a relatively young first vice president,
Miguel Diaz-Canel, 52, who presumably could succeed him.
February 24, 2013|By Tracy Wilkinson, Los Angeles Times   •
Cuban President Raul Castro, right, and brother Fidel attend the
opening session of the National Assembly in Havana. Cuban
President Raul Castro, right, and brother Fidel attend the
opening… (Ismael Francisco / Cubadebate )  MEXICO CITY — In one
of the strongest portents yet of a post-Castro Cuba, President
Raul Castro said Sunday that his newly granted five-year term
would be his last, and he took on a relatively young vice
president who presumably could succeed him.  It was the first
time a deadline had been put on the Castro era, which saw the
island ruled by first Fidel and then Raul Castro for more than
half a century since the 1959 revolution ousted an abusive,
U.S.-backed regime.  Raul Castro was ratified as president for
his second five-year term during a meeting of