Because iran has shown to be completely distrustful. it has been personally difficult for me to hear ex expressions that somehow the united states has not looked out for israel s interests. reporter: a big portion of the framework agreement touted in the rose garden last week is hardly settled. the white house conceded that the white house and iran have yet to agree on when sanctions on tehran will be lifted. it s a four-page document. it s a key pillar in the framework agreement. jim, i think we ve been very clear that there are important details that need to be locked down. reporter: and a confrontation between the white house and congress is becoming even more of a possibility as republicans say they are busy gathering up democratic support for a plan to have congress vote on the final