A month ago, in a ballroom at a hotel conference center in a Madison suburb, social distancing wasn’t even in the vocabulary of most people. The coronavirus wasn’t yet a threat to Wisconsin. Hundreds of people packed into a convention to talk about, and hear about, a different threat to health--PFAS. “It is the hot ticket issue right now,” conceded Bridget Kelly, the Wisconsin DNR’s Program Coordinator for Emerging Contaminants. The topic is only growing hotter. Per- and polyfluoroalkyl