Department of Fish and Game biologists are recommending that the state deny endangered species status for the mountain-dwelling America pika, a relative of the rabbit. Reachers have found shrinking pika populations throughout the mountains of Nevada and Utah. They say global warming is the main cause. But Department of Fish and Game biologists say they found inadequate evidence that pika numbers are dropping in California. They're recommending that the Fish and Game Commission reject a petition filed by the Center for Biological Diversity asking for endangered species status for the pika. The pika, or rock-rabbit, is adapted to colder temperatures...