John Bogle has been called one of the world's most powerful and influential people by Time magazine and has been a force in the world of mutual funds since the '70s. Jean talks with John, founder of The Vanguard Group and the Vanguard 500 Index Fund, about the current state of the global economy and why he urges people who can to continue long-term investing with diversified portfolios. Plus, Jean talks with John about his book Enough: The True Measures of Money, Business and Life.