THE PROSECUTION OF GOVERNOR SIEGELMAN - Don Siegelman was a successful Democratic politician in the heavily Republican state of Alabama when he was convicted of bribery in a case that has drawn criticism from Democrats and Republicans. Scott Pelley reports. Joel Bach and David Gelber are the producers.

THE MURDER OF CHAUNCEY BAILEY - Shot-gunned to death in the course of reporting a story, police say newspaper editor Chauncey Bailey was probably killed to keep that story out of print. CNN's Anderson Cooper reports. Michael Rosenbaum is the producer.

WHAT'S WRONG WITH THE BEES? - Over the past year, some beekeepers have lost up to 90 percent of their hives to what scientists have named colony collapse disorder. Because honeybees help to produce a third of the foods we eat, the mysterious disorder could have severe consequences. Steve Kroft reports. Andy Court and Keith Sharman are the producers.