i'm wolf blitzer, you're in "the situation room." he has broken important new ground with a dangerous adversary. he told the world about his phone call to iran's president during remarks that were expected to focus almost entirely on the potential government shutdown threat here in washington. we're following both breaking stories this hour. first, the historic phone call. just a little while ago the u.s. ambassador to the united nations, susan rice, spoke with our fareed zakaria, on how the phone call came about. >> susan, can you give us a sense of how this phone call happened? who called whom? >> well, fareed, i think as many people know, we had indicated earlier in the week, an openness to a brief informal encounter when president obama was in new