March 24 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews Philip Tetlock. Tetlock is a professor of management and psychology at the University of Pennsylvania. They discuss forecasting and the difference between foxes and hedgehogs. This interview aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.

March 11 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews Jack Bogle, Founder of the Vanguard Group, Inc., and President of the Bogle Financial Markets Research Center. He created Vanguard in 1974 and served as Chairman and Chief Executive Officer until 1996 and Senior Chairman until 2000. This interview aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.