01:17 Rubio says Cuba 'needs to change dramatically'
01:13 Rubio says 'big problem' if Iran does not negotiate missiles
01:01 Rubio hopes Iran talks Thursday are 'productive'
00:59 Rubio warns oil sanctions to be tightened back if Cuba violates 'spirit' of ...
00:56 Rubio says Cuba responsible for 'suffering' from energy crisis