Reuters: The storm was just so sudden, South Dakota cattle rancher Kathy Jobgen remembers. A freezing rain, followed by an avalanche of four feet of snow and winds of 70 miles an hour, hit thousands of cattle still grazing on "summer pastures" at a time when the animals had not yet grown their protective winter coats and were ill prepared for the harsh conditions. Swirling snow lodged in some of the animals' lungs, suffocating them. Hypothermia killed more. And others were caught in gullies, or plunged...