sentences:  As Cuba's enemy and a very close United States ally, Israel was the only country in the world that consistently sided with the U.S. blockade against Cuba.In late 2010, Fidel Castro, who at this time no longer held office in Cuba's government, stated that he believes Israel has a 'right to exist', which is a shift from his "régime"'s earlier policy.News reports in 2011 and 2012 indicated that Havana and Jerusalem discussed some initial diplomatic exchanges but Israel tabled that idea after Israeli representatives shared the information with the U.S. Congress.