Guest Host Maria Bartiromo Of Cnbc Talks To Steve Schwarzman, Chairman And Ceo Of The Blackstone Group, And David Rubenstein, Managing Director Of The Carlyle Group. Then, Guest Host Steve Kroft Of Cbs News Talks To Author Sebastian Junger About His Latest Book, A Death In Belmont. Finally, An Appreciation Of The Late Economist And Author John Kenneth Galbraith.—Anonymous