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 the anchor desk in the newsroom. Within twenty seconds of the announcement, every CBS affiliate except Dallas' KRLD (which was providing local coverage) was airing the network's feed. The camera was finally operational by this time and enabled the audience to see Cronkite, who was clad in shirt and tie but without his suit coat, given the urgent nature of the story. Cronkite reminded the audience, again, of the attempt made on the life of the President and tossed to KRLD news director Eddie Barker at the Dallas Trade Mart, where Kennedy was supposed to be making a speech before