the fact that it's happening now, happening at a time when this department could really use a bit of stability and they are not getting it right now. >> dana: kristin fisher, thank you. we offer our congratulations to stephanie grisham. president trump hit iran's leaders with new sanctions and the president was firing back with a series of tweets. national security correspondent jennifer griffin is live at the pentagon. what has been the reaction from iran to the new sanctions? >> one day after president trump signed a new sanctions order, top iranian officials mocked the sanctions in the white house and said the potential for talks are now dead. here is iran's president. >> translator: the white house actions mean it is mentally retarded. you say you want to negotiate. if you are telling the truth and really want to negotiate, you would not put sanctions on our foreign minister at the same time. this shows you are full of lies.