The day after Iran, the U.S. and other world powers reached an agreement on the outlines of a nuclear deal, the sales pitches have begun. Iran's president, Hassan Rouhani, has been promising to bring his country out of isolation, and says this is a first step to better ties with the world. Here in Washington, exhausted negotiators have returned from Switzerland and are now reaching out to skeptics in Congress, in Israel and in the Arab world. NPR's Michele Kelemen reports that won't be an easy task.
MICHELE KELEMEN, BYLINE: While both sides face critics at home, the Iranian negotiators need mainly the blessing of the supreme leader, which would likely quiet the hardliners. And Iran-watcher, Ariane Tabatabai, says that makes it easier for them to sell this deal domestically.