 Part of the NATO summit here in D.C. hosted by the U.S. government. NATO marking 75 years. That conversation with the U.S. Secretary of State, Antony Blinken, joined by Heather Conley, who was the president of the German Marshall Fund. Next on C-SPAN Radio, a conversation with Christopher Cavoli. He is the NATO Supreme Allied Commander of the U.S. European Command.