MADISON, Wisconsin, Oct. 7 -- The University of Wisconsin Madison campus posted the following news: * * * Half a million Badgers and counting UW-Madison has reached the milestone of 500,000 living alumni. See how they're spreading the Wisconsin Idea around the state, country and world. By Gayle Worland When the UW-Madison Class of 2025 crossed the stage at spring commencement in May, those graduating students led the university to a remarkable milestone: a community of Badger alumni number more PR