In this episode of Intelligence Matters, former CIA director General (ret.) David Petraeus speaks with host Michael Morell about strategic leadership and the need to conceive, communicate, implement and refine 'big ideas.' Petraeus, who commanded coalition forces in Iraq and Afghanistan, weighs in on the 'big ideas' that should shape some of the biggest challenges in U.S. foreign policy, including vis-à-vis China, Russia and North Korea. He also offers a five-part framework for confronting Islamic extremism, and shares insights about his time at the helm of the CIA.