July 24 Preview: William J. Burns

Aired: 7/24/2015 | 0:00:20 | Promotion
On the show this week, William J. Burns, a 33-year veteran of the U.S. Foreign Service and now the president of the Carnegie Endowment for International Peace, talks about the nuclear deal with Iran and whether the U.S. "missed opportunities" in the past to reach a better solution.