How the 2008 financial crisis changed the world

Ten years ago this week, the collapse of Lehman Brothers became the signal event of the 2008 financial crisis. Its effects and the recession that followed, on income, wealth, disparity and politics are still with us. Economics correspondent Paul Solman walks through those events and consequences with historian Adam Tooze, author of "Crashed: How a Decade of Financial Crises Changed the World."