bomb a. if john f. kennedy and reagan could negotiate with the soviet union, surely america can negotiate with less powerful adversaries today. [applause] the sanctions we put in place make this opportunity possible. let me be clear. if this congress sends me a new sanctions bill now that threatens to derail these talks, i will veto it. [applause] for the sake of our national security, we must give diplomacy a chance to succeed. host: from january of this past year, the carrot and the stick as the president tries to thread the needle.