U.S. Secretary of State John Kerry delivers a statement on Cuba outside the hotel where the Iran nuclear talks meetings are being held in Vienna, Austria

U.S. Secretary of State John Kerry delivers a statement on Cuba outside the hotel where the Iran nuclear talks meetings are being held in Vienna, Austria

U.S. Secretary of State John Kerry delivers a statement on Cuba outside the hotel where the Iran nuclear talks meetings are being held in Vienna, Austria, July 1, 2015. U.S. President Barack Obama said on Wednesday the U.S. has agreed to the historic step of re-establishing diplomatic relations with Cuba, and will raise its flag over a U.S. Embassy in Havana this summer. REUTERS/Carlos Barria