Question Regarding Obama’s Signals Toward Latin America

How come President Obama can find time to call and congratulate Ecuadorian President Rafael Correa on his reelection (someone who has said that he prefers “a thousand times” to be a friend of Fidel Castro and Hugo Chávez than to be an ally of the United States) but can’t find time to meet with, or at least issue a statement supporting, Cuban dissidents at the White House as his predecessors did?