Rice: Nuclear deal is ‘most comprehensive and effective’

Aired: 7/14/2015 | 0:07:12 | Clip
On the day that Iran, the U.S. and five other world powers announced a historic agreement on its nuclear program, National Security Advisor Susan Rice joins Gwen Ifill to discuss the rules that ensure governing sanctions relief and whether President Obama is serious about using his veto power should Congress reject the deal.