Former senator and presidental candidate George McGovern. (File photo) The man whose candidacy for the presidency this newspaper enthusiastically championed in 1971 and 1972 returns to Madison today to deliver a distinguished lecture, and it is with great pride and pleasure that we welcome George McGovern back to the city that had the wisdom to want him - as opposed to Richard Nixon - as its president. McGovern will deliver the University of Wisconsin Law School's Robert W. Kastenmeier Lecture at 7:30 p.m. in the Wisconsin Union Theater, 800 Langdon St. And he has chosen an appropriate theme: "The Iraq...