Wisconsin's a great place to live, and we love it. The idyllic summers and sparkling lakes, the dramatic pageant of the seasons between the spectacular geography and the varied weather, our state is a terrific place to grow food, raise a family and enjoy life outdoors. But all that's changing. We had a handful of unprecedented air-quality alerts last summer. And one day with 28 tornadoes. We've been seeing record-setting temperatures. And a growing infiltration of pests, from purple loosestrife to the gypsy moth and coming soon the emerald ash borer. These phenomena have two things in common: One, they...