Terrorism is shifting into a new phase. U.S. Department of State Counterterrorism Coordinator Nathan Sales says terrorists are getting smarter — using previous attacks as blueprints. But with the Islamic State group waning, al-Qaida- and Iran-backed terrorism are in resurgent trajectories. Sales says military efforts to fight terrorism are going to wind down, and sophisticated law enforcement and advanced screening measures are going to take precedence.
Listen to more from the show: Target USA