Former Vice President Joe Biden and Vermont U.S. Sen. Bernie Sanders are racking up Wisconsin endorsements ahead of Tuesday’s vote. Biden recently won the endorsement of U.S. Rep. Ron Kind, D-La Crosse, former Gov. Jim Doyle and former U.S. Sen. Herb Kohl. He also boasts the endorsement of Senate Minority Leader Jennifer Shilling, D-La Crosse, and Assembly Minority Leader Gordon Hintz, D-Oshkosh, ...