Fukushima Daiichi Nuclear Crisis; iPad 2 Released

Anna Coren phones in from Sendai, Japan, the epicenter of the devastating 9.0 earthquake and tsunami, with an update on the rising death toll, search and recovery efforts, resource shortages, and need for international aid. David Sanger and scientists Frank von Hippel and Olli Heinonen assess the danger from three badly damaged reactors at the Fukushima Daiichi nuclear plant in Japan. Journalists Walter Mossberg and David Carr comment on the newly released iPad 2.