The crossword solutions for the term SEN. FEINGOLD are RUSS, which stands for Senator Russ Feingold. Senator Russ Feingold is an American politician who served as a United States Senator from Wisconsin from 1993 to 2011. He was the only senator to vote against the USA PATRIOT Act in 2001 and was a strong advocate for campaign finance reform. He also co-authored the Bipartisan Campaign Reform Act of 2002.