President Obama, in an address denouncing critics of the Iran nuclear agreement, warned that America’s international credibility would be lost if Congress kills the deal. How successful was the president in making his case? Gwen Ifill gets views from Ray…

To evaluate the significance and effectiveness of the Iran nuclear agreement, Judy Woodruff gets reaction from former CIA Director James Woolsey, Dennis Ross, a former Middle East peace envoy, former National Security Advisor Sandy Berger and retired Gen. Michael Hayden,…