On Leadership is a new Washington Post section featuring a weekly video series and panel discussion hosted by former Washington Post Executive Editor Ben Bradlee and Pulitzer Prize-winning Post Columnist Steven Pearlstein. The section offers inspiration and practical advice on how to be an effective, successful leader in a political, financial and technological environment. Craig Mullaney, a West Point graduate, Rhodes Scholar, former Army Captain and author talks about the challenging experiences that made him a leader. In the first video. In the first video, Mullaney recalls his time in the dangerous mountains of Afghanistan and learning that true leadership grows out of hardship and a sense of duty. In the second video, he shares stories from his leadership training experiences; including what he calls his Army Ranger "Ph D in endurance."