60 Minutes: Temporada 37, Episódio 48

37 - 48: Prescription For Trouble; The Killing In Sudan; Crusade Against Credit

How much did the makers of Vioxx know and when did they know it? Ed Bradley reports. Scott Pelley investigates mass murder and refugee desperation in Sudan. Lesley Stahl looks into Dave Ramsey's crusade to return Americans to using cash, not credit.