demanding that the u.n. have a mechanism to make sure that billions of dollars in money that will flow to tehran because of that agreement, not be used to fund terrorism. rouhani, they said, is not even deserve to be on the u.n. stage. hopefully it will show that we are against the president of iran and we re not in any way supporting him, and it will show that the united states should also support our organization instead of supporting terrorist organizations like the regime of iran. reporter: as rouhani spoke, u.s. diplomats left the general assembly chamber. if this was a bar, that s like getting get punch in the face. let s turn to william taylor now, former u.s. ambassador to ukraine and the coordinate for of u.s. assistance to former soviet union and eastern europe and now the executive vice-president at the u.s. institute of peace, an independent nonpardon partisan institute working to manage