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.
CBS Evening News background on the news set (which had been used since the 2008 elections) was replaced by a replica of the globe fixture during the Cronkite era, and the James Horner theme was replaced by the 1987–91 theme composed by Trivers-Myers Music that was used during the Rather era. In his first 9 months in the anchor chair, Pelley gained an additional 821,000 viewers. CBS News also enjoyed increases in its audience for special news events. After election night, 2012, Variety wrote, "With Scott Pelley front and center; the Eye was up 8% from four years ago." The CBS Evening News