AlHijjah 05, 1436, September 19, 2015, SPA -- U.S. President Barack Obama and Cuban President Raul Castro, in a telephone call on Friday, discussed steps the two countries could take to advance bilateral cooperation, the White House said, according to Reuters. Obama underscored the importance of the United States and Cuba re-establishing diplomatic ties and the re-opening of embassies in their respective countries, the White House said in a statement.