"60 MINUTES" LISTINGS FOR SUNDAY MARCH 4, 2007

JIHAD.COM -- The most important recruitment tool for Al Qaeda and other Islamic terrorist groups is the Internet, where Scott Pelley finds sites devoted to terror and cyber warriors out to shut them down. Harry Radliffe is the producer.

WAKE-UP CALL -- U.S. Comptroller General David Walker says the Medicare program is on course to possibly bankrupt the treasury in the coming decades unless vast reforms to the program and the nation's healthcare system are made. Steve Kroft reports. Andy Court is the producer.

DOG NUT -- Sam Simon, the multimillionaire who helped create TV's "The Simpsons," spends a fortune helping stray canines to a better life and helps people by training some of the dogs to act as the ears of the deaf. Morley Safer reports. David Browning is the producer