The president now confronts the reality that stopping Iran’s drive toward a bomb may require letting it continue to make some nuclear fuel.

Iran will suggest a framework agreement in nuclear talks with the US, a senior official said, raising the prospect of an interim deal that could be followed by further negotiations.

The United States and Israel are seeking to turn nuclear talks into a "strategic trap" for Iran, Iranian lawmakers said in a statement on Tuesday, days before a planned sixth round of Iran-U.S. nuclear talks.