Now Playing: 01-04-12 Marketplace

President Obama appointed Richard Cordray as head of the Consumer Financial Protection Bureau. Yahoo has a new CEO. Scott Tong's series on famine and aid in Africa explains the complications of getting aid in the hands of those who need it. A commentary asks, what's next for the Arab Spring? London correspondent Stephen Beard examines the history of currency unions. Martha Stewart's empire struggles, while the Broadway musical  "Spiderman: Turn Off the Dark" breaks sales records.