to accident, particularly when you have people who are interested in accidents. so, extreme prudence is required and we believe the united states is playing a very, very dangerous game. >> reporter: patrick shanahan is saying not so fast, not so much. iran is the threat and the united states is managing the threat. now, while zarif is speaking to an international audience, it is for iran. they are hurting under increased sanctions. iran wants to change that. we heard from their president, when president trump threatened the iranians with war, president trump's military aides came to him and told him to tone it down according to the iranian president, rouhani, it shows how strong they are at the moment. the reality of what is happening on the ground, the united states along with gulf allies are engaged in enhanced military