Venrock's DJ Patil speaks with Secretary Ash Carter, who served as the 25th Secretary of Defense in the Obama administration, about his experience in national security, technology and management. He shares how he successfully introduced new technologies to the Pentagon while earning the nickname "The Deliverer." He discusses his new book, "Inside the 5-Sided Box: Lessons from a Lifetime of Leadership in the Pentagon," and how he leveraged technology to make the world a safer place over his 35-year career.