Reuters: While the climate change discussion in Washington is moving at a glacial pace, nature is responding to climate change at record speed. The animal, plant and insect kingdoms aren't interested in public policy. They don't read political blogs. They adapt because they have to. They must change to survive. We would be wise to heed the signs. Animals, plants and even insects are now adapting quickly to shifts in temperatures, often by migrating to cooler climates, modifying their diets and altering...