make sure the international sanctions on iran aren't bargained away for anything less than an end to the iranian nuclear threat. >> i believe that it's the combination of a credible military threat and the pressure of those sanctions that has brought iran to the negotiating table. i also believe that if diplomacy is to work, those pressures must be kept in place. and i think they should not be lessened until there's verifiable success. >> president rouhani is the former iran nuclear negotiator, who bought time for scientist under the guise of negotiation. >> what about the president? how did he respond? >> mr. obama and his aides made clear iran gets nothing for promises. the president said again today only actions will result in change of. he said the u.s. still retains the military option to make sure