Associated Press: Climate change is already hurting American farmers and rural residents, Agriculture Secretary Tom Vilsack said Wednesday, warning that the U.S. would regret any failure to adapt and prepare for shifting weather realities. Unveiling a new effort to coordinate the government's response, Vilsack said extreme weather events have already taken the U.S. by surprise, putting ranchers and others out of business. He pointed to the intensity and frequency of recent storms, long droughts, snowstorms and subzero...