Floyd Norris; Dow Jones Drop; Matthew Bishop

Journalist Floyd Norris of The New York Times reports on the dramatic losses in the stock market in recent days and what could have caused it, as well as the economic and social unrest in Greece. The conversation about the Dow Jones and Greece continues with investment bankers Byron Wien, Roger Altman, and Barton Biggs. Journalist Matthew Bishop of The Economist shares his new book, "The Road from Ruin: How to Revive Capitalism and Put America Back on Top."