Host Carol Castiel sits down with former FBI supervisory agent and counterterrorism expert Ali Soufan, CEO of the Soufan Group, to discuss key national security issues in the run-up to the US presidential elections, including the threat from white supremacist extremists. He also discusses the significance of the recently released declassified version of his best-selling book “Black Banners: How Torture Derailed the War on Terror after 9/11.”