president assad must remain so that we can combat the terrorists. however, as soon as this movement reaches the various levels of success and starts driving out the terrorists on a step by step basis, then other plans must be put into action. so as to hear the voices of the opposition, as well. >> mr. president, this is the first time you've come to the united states since the nuclear agreement has been signed. you must have been watching from iran, the republican presidential campaign, and you must have been seeing some of the debates in which many of the republican candidates have said that if they become president, they will rip up the deal. >> translator: first of all, what is spoken of here in the united states of america, sometimes when i would have time, some of it was broadcast live and i would watch it. some of it was quite laughable.