In Visit to Puerto Rico, Obama Has Eye on Mainland

By LIZETTE ALVAREZ

Associated Press

As guests of Puerto Rico's governor, Luis Muñoz Marín, left, the Kennedys were greeted by the cellist Pablo Casals in 1961.

After five decades of cold shoulders from presidents, Puerto Ricans are primed for a presidential visit, even if it is brief and unlikely to address the debate over the island’s identity.