MusicThis week 27 years ago, the first computer worm distributed via the Internet (and the first to get mainstream attention) was launched, Philip Morris bought Kraft Foods for $13.1 billion, President Ronald Reagan signed a credit-card disclosure bill, TV host Geraldo Rivera's nose was broken during a brawl on his TV show, "Halloween 4: The Return of Michael Myers" topped the box office and the following songs were the most popular in the U.S., according to Billboard's Hot 100 chart archive.