U.S. State Department spokesperson Ned Price stated on Tuesday that the talks between Iran and world powers in Vienna aimed at saving the 2015 nuclear agreement have been positive, but the road ahead is still long. Price added that U.S. envoy Rob Malley is exploring a concrete approach regarding the steps that Iran and the United States should take to return to compliance with the 2015 agreement. He mentioned in a routine press briefing, "The road ahead is likely longer than what we have traveled at this stage."