What Democratic Party presidential nominee was covered by a 1977 Pulitzer Prize winning journalist? 
Walter Mears:  Mears was also one of the Boys on the Bus that covered the 1972 presidential election between Richard Nixon and George McGovern. Walter Mears:  He won a Pulitzer Prize in 1977 for his coverage of the 1976 presidential campaign. George McGovern: George Stanley McGovern (July 19, 1922 – October 21, 2012) was an American historian, author, U.S. Representative, U.S. Senator, and the Democratic Party presidential nominee in the 1972 presidential election.
George McGovern