AdvertisementU.S. Will Lose 'All Credibility' If Congress Rejects Nuclear Deal, Kerry SaysJuly 20, 2015Sam SandersfacebookEmailSecretary of State John Kerry spoke with NPR's Steve Inskeep at the State Department. Kerry said if Congress or a future president reverses a nuclear control agreement with Iran, U.S. credibility will suffer. (Kainaz Amaria/NPR)
