David McCullough: From Pittsburgh to Pulitzer

David McCullough helped raise John Adams out of the long shadow cast by America's other Founding Fathers by penning his biography which became one of the best selling biographies of all time and won McCullough the Pulitzer Prize. In these clips, McCullough traces his own history from Pittsburgh to New York and tells us why John and Abigial Adams are important enough to get their own HBO mini-series.