1953: The TV show "Letter to Loretta" premiered. The name was changed to "The Loretta Young Show" on February 14, 1954. 1953: Jimmy Stewart debuted on the radio western "The Six Shooter" on NBC. 1955: "You'll Never Be Rich" premiered on CBS-TV. The name was changed less than two months later to "The Phil Silvers Show." 1975: The Bay City Rollers appeared live on the premiere of the Howard Cosell's Saturday Night show on ABC-TV. It was their U.S. debut. 1976: The Captain & Tennille show premiered on ABC-TV. 1979: The first episode of "Buck Rogers in the 25th Century" aired on NBC. 1984: The first episode of "The Cosby Show" aired on NBC. 1984: The first episode of "Who's the Boss?" aired on ABC. 2004: CBS News announced that they could not authenticate several documents that had been used in a "60 Minutes" story that questioned U.S. President George Bush's service in the National Guard. Two days later CBS announced that a panel would be appointed to investigate the story.