General David Petraeus took on a uniquely complex leadership challenge in Iraq in the aftermath of the U.S.-led war there. He oversaw the training of a new and entirely Iraqi army. He says that the key to leadership is first getting the big ideas right, then constantly refining them, and communicating them across the whole organization. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.