Iranian Foreign Minister Zarif: "People cannot trust the word of the United States"

CBS News Correspondent Elizabeth Palmer is in Tehran and spoke exclusively Saturday with Iran's top diplomat, Foreign Minister Mohammad Javad Zarif. Subscribe to the"Face the Nation" Channel HERE: http://bit.ly/1SUQc68 Watch Full Episodes of "Face the Nation" HERE: http://cbsn.ws/20pbkSF Follow "Face the Nation" on Instagram HERE: http://bit.ly/23Xuhk4 Like "Face the Nation" on Facebook HERE: http://on.fb.me/23Xmz9E Follow "Face the Nation" on Twitter HERE: http://bit.ly/1o3QDQo Follow "Face the Nation" on Google+ HERE: http://bit.ly/23XuaoG Get the latest news and best in original reporting from CBS News delivered to your inbox. Subscribe to newsletters HERE: http://cbsn.ws/1RqHw7T Get your news on the go! Download CBS News mobile apps HERE: http://cbsn.ws/1Xb1WC8 Get new episodes of shows you love across devices the next day, stream local news live, and watch full seasons of CBS fan favorites anytime, anywhere with CBS All Access. Try it free! http://bit.ly/1OQA29B --- "Face the Nation" is the number one Sunday morning public affairs program. The broadcast is one of the longest-running news programs in the history of television, having premiered on CBS on Nov. 7, 1954. John Dickerson is the host of "Face the Nation". He also serves as Political Director for CBS News and is a contributor to Slate magazine and its podcast The Political Gabfest. Guests include government leaders, politicians, and international figures in the news. "Face the Nation" airs Sunday mornings. Check local listings for "Face the Nation" broadcast times.