Walter Cronkite's special interview from Vietnam is significant because

It was the last interview held at the Saigon Bureau before the U. S. withdrew its troops from Vietnam. It demonstrated Cronkite's position that the Vietnam War was unwinnable. CBS was fined by the FCC because Cronkite's interview violated the Fairness Doctrine. President Lyndon B. Johnson singled Cronkite out when he criticized the media's coverage of the war, urging the silent majority to step forward. President Lyndon B. Johnson dropped out of the 1968 Presidential election because he felt the public would share his involvement with vietnam