CBS Evening News a one-evening test broadcast on August 19, 1965, before permanently switching to the format on January 31, 1966. Cronkite's prime time special report, "Who, What, When, Where, Why", broadcast on February 27, 1968, ended with his declaration that the United States could only hope for a stalemate in Vietnam. It is often credited with influencing Lyndon Johnson's decision to drop out of the race for President. "If I've lost Walter Cronkite ... [I]'ve lost Middle America", he stated. Under Cronkite, the newscast began what would eventually become an 18-year period of dominating the ratings among the network evening news programs.
Walter Cronkite 2006. Cronkite's voiceover was notably not used on introducing the broadcast reporting his funeral – no voiceover was used on this occasion. Cronkite made a cameo appearance on a 1974 episode of "The Mary Tyler Moore Show", in which he met with Lou Grant in his office. Ted Baxter, who at first tried to convince Cronkite that he (Baxter) was as good a newsman as Eric Sevareid, pleaded with Cronkite to hire him for the network news, at least to give sport scores, and gave an example: "The North Stars 3, the Kings Oh!" Cronkite turned to Grant and said,