Mary Tyler Moore pivotal one-hour musical special called "Dick Van Dyke and the Other Woman", Moore and husband Grant Tinker successfully pitched a sitcom centered on Moore to CBS. "The Mary Tyler Moore Show" is a half-hour newsroom sitcom featuring Ed Asner as her gruff boss Lou Grant. Moore's show proved so popular that three other regular characters, Valerie Harper as Rhoda Morgenstern, Cloris Leachman as Phyllis Lindstrom and Ed Asner as Lou Grant were also spun off into their own series. The premise of the single working woman's life, alternating during the program between work and home, became a television staple. After
National Iranian Radio and Television cent of its content was imported. By 1974, Iran was second only to Japan in Asia in terms of the development of its broadcasting capabilities. This prompted one Western commentator to argue in 1977 that "[if] Iran continues on its present path it will be the first nation in the world to have nationally spread television before a nationally spread press". Colour television broadcasts first began in 1975, although reception was largely confined to affluent people able to afford colour sets. Regular colour broadcasts were introduced in 1976. The standard was changed to the French SECAM in February 1977, resulting