SACRAMENTO, Calif. (CBS) ― A broken levee has caused a flooding which stranded as many as 4,000 residents in Truckee, Calif., a community on I-80 northwest of Lake Tahoe. Some of the people on the Nevada side of the state line were trying to evacuate, reports CBS affiliate KTVN-TV in Reno. The storm that pummeled California with gale-force winds and heavy rains was forecast to drop a thick blanket of snow on the Sierra Nevada on Saturday and keep thousands of people from their homes in mudslide-prone areas. A major highway crossing the Sierra Nevada between Nevada and Northern California...