He has been called the most trusted man in America. His 60-year-long journalistic career has spanned the Great Depression, several wars, and the extraordinary changes that have engulfed our nation over the last two-thirds of the 20th century. When Walter Cronkite advised his television audience in 1968 that the war in Vietnam could not be won, President Lyndon B. Johnson said: "If I've lost Cronkite, I've lost middle America." Now, at the age of eighty, Cronkite has written his life story-the personal and professional odyssey of the original "anchorman" for whom that very word was coined.