The salmon? Eaten. The days? Shorter. The bears? Fatter. After spending the summer eating the fatty pink salmon swimming through Katmai National Park and Preserve in Alaska, it’s time to celebrate the park’s iconic brown bears (Ursus arctos). Fat Bear Week begins on Tuesday, September 22, and here is everything you need to know. What is Fat Bear Week?Think March Madness, just without the basketball and significantly more bears. Fat Bear Week is a single-elimination tourname