This has gone on 50 or 60 years where the United States has been involved in overthrowing governments. Mossadegh back in 1953. Nobody knows who Mossadegh was, democratically elected prime minister of Iran. He was overthrown by British and American interests because he threatened oil interests of the British. And as a result of that, the shah of Iran came in, terrible dictator. The result of that, you had the Iranian Revolution coming in, and that is where we are today. Unintended consequences.

During a discussion on foreign policy at Thursday's Democratic debate, Bernie Sanders brought up a name that's probably not familiar to many U.S. viewers: Mossadegh. That would be Mohammed Mossadegh, the Iranian prime minister who was ousted in a CIA-led coup over 60 years ago ...