UPDATE 9-Obama spars with Cuba?s Castro over human rights in historic visit
UPDATE 9-Obama spars with Cuba?s Castro over human rights in historic visit
HAVANA, March 21 (Reuters) - U.S. President Barack Obama pushed Cuba to improve human rights during his historic visit to the Communist-led island on Monday, publicly sparring with President Raul Castro who showed flashes of anger and hit back at U.S. "double standards".