The head of the United Nations’ atomic watchdog says that “the jury is still out” on negotiations between Iran and the U.S. over Tehran’s rapidly advancing nuclear program.

UN nuclear watchdog chief says ‘jury is still out’ on Iran-US nuclear talks, but says continued negotiations a good sign.

An interim agreement on Iran's controversial nuclear program is being negotiated between the US and Iran. "We've had some very, very good talks with Iran," Trump told reporters in northern New Jersey before returning to Washington on Sunday.