In 1979, the Shah of Iran was overthrown and the Ayatollah Khomeini came to power. 52 Americans were held hostage. To understand the U.S. – Iranian relationship today, our guests discuss the last 40 years of diplomatic relations. With guests Manda Zand Ervin, writer and analyst, Mark Bowden, writer of Guests of the Ayatollahs, and Alex Vatanka, Senior Fellow at the Middle East Institute and the Jamestown Foundation.