THE KING OF SUSHI - Highly coveted as the definitive dish in sushi, bluefin tuna are being captured in rising numbers by modern methods that threaten to endanger the species. Bob Simon reports. Michael Gavshon and Drew Magratten are the producers.

WAR AGAINST WOMEN - The civil war in Congo is an ethnic conflict, but gender has become a crucial factor, too, as women are bearing the brunt of one of the horrible weapons used in the war: rape. CNN's Anderson Cooper reports. Michael Gavshon and Drew Magratten are the producers.

THE FACE BEHIND FACEBOOK - Meet Mark Zuckerberg, 23, said to be worth $3 billion for founding the second-most popular social networking Internet site, Facebook. Lesley Stahl talks to the young man whose $15 billion company could be the next Google. Shachar Bar-On is the producer.