Stan Dempsey, head of the Colorado Mining Association, recently declared the so-called “War On Coal” to be over. Was there ever a war, or just market forces? One of the leading thinkers on artificial intelligence, Heather Roff, will speak this week at CU Boulder -- after we speak with her. And, products that are made in Colorado, from beer cans to chemicals to satellites, could be caught up in the big international trade battles now underway.