Airdate August 16, 2015: On GPS Sunday, Israel's Ambassador to the U.S. tells Fareed why the Iran deal is bad news, not just for his country. Next, Fareed talks to Jon Huntsman about China's economy and the 2016 presidential field. And, why in the world is Russia throwing away perfectly good food from the West? Then, Lawrence Lessig on why he wants to fix American elections...by potentially running for president.