Rubio says Cuba is a national threat to the US and is doubtful of diplomacy [SOUND]

# US Secretary of State, Marco Rubio, says Cuba has been a national security threat for years because of its ties to American adversaries. This comes as the US has announced criminal charges against Cuba’s former leader, Raúl Castro. President Donald Trump has previously said he wants regime change on the island, which has been ruled by a communist government since 1959. Rubio says he is doubtful that a diplomatic resolution can be reached with Cuba’s current government: