. . . . . "Case studies" . . . . . . . "Case studies"@en . "Making a difference stories of vision and courage from America's leaders" . "Making a difference stories of vision and courage from America's leaders"@en . . . "One of the most captivating heroes of the last decade and the author of the New York Times bestseller Highest Duty explores the nature of leadership with some of America's best and brightest. At a time of political polarization and economic turmoil, we yearn for superior leadership..." . . "Audiobooks" . "Audiobooks"@en . "Downloadable audio books"@en . .