The late Walter Cronkite, the gold standard for Journalists.

                              Walter Cronkite at Hue following the Tet Offensive, Vietnam, 1968.

Walter Cronkite made a return trip to Hanoi (seen here with then-Rep. John McCain). His reporting had helped turn public opinion against the Vietnam War.

Walter Cronkite in Hanoi for CBS Reports: Honors, Duty and A War Called Vietnam.

Credit: 

http://www.nydailynews.com/entertainment/tv/2009/07/18/2009-07-18_he_remains_the_gold_standard_among_all.html

http://www.cah.utexas.edu/collections/news_media_cronkite.php

http://www.nydailynews.com/entertainment/tv/2009/07/19/2009-07-19_walter_cronkites_famous_desk_offers_view_of_cbs_past_and_present.html