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: wso, what patrick shanahan said is how they are playing to a domestic audience in iran, perhaps as much as president trump is trying to deliver on his own domestic messaging on iran. what rouhani, the iranian president said is when president trump threatened iranians they should be afraid of u.s. military assault, according to the iranian president, then president trump's military advisers called him to back down on that. that shows the power of iran and the region and what is actually happening here is managing the tensions. the united states and gulf