Financier and philanthropist David Rubenstein talks with his peers - leaders of some of America's biggest companies - in this interview show that aims to answer the question of what makes a great leader; Rubenstein uses his chats to explore successful leadership skills through the personal and professional choices made by the business world's most influential people; Rubenstein travels across the country to find out about the business leaders' stories and uncover information about their paths to success; the interview subjects include Microsoft co-founder Bill Gates, Berkshire Hathaway chairman Warren Buffett and Pepsi CEO Indra Nooyi.