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 as the United Press main reporter in Moscow from 1946 to 1948. In 1950, Cronkite joined CBS News in its young and growing television division, again recruited by Murrow. Cronkite began working at WTOP-TV (now WUSA), the CBS affiliate in Washington, D.C.. He originally served as anchor of the network's 15-minute late-Sunday-evening newscast "Up To the Minute", which followed "What's My Line?" at 11:00 pm ET from 1951 through 1962. Although it was widely reported that the term "anchor" was coined to describe Cronkite's role at both the Democratic and Republican National Conventions, marking the first nationally televised convention coverage,