60 Minutes: Season 39, Episode 49

39 - 49:

Morley Safer interviews Dr. Anna Pou, who was accused of murdering four patients by lethal injection in the days after Hurricane Katrina struck New Orleans; Scott Pelley reports on Iraqis who fear for their lives because they helped the U.S. in Iraq; Lesley Stahl interviews MIT professor Nicholas Negroponte, who discusses his goal of putting a laptop computer into the hands of every child as an educational tool.