California’s solar industry is facing tough times after state utility regulators changed the rules for rooftop solar last spring. Sales are down and layoffs are up. Reporter: Erik Anderson, KPBS   The Department of Water Resources has released a final environmental impact report for the Delta tunnel project. The project would pump more water from northern to southern California, but is not without its share of critics. Reporter: Manola Secaira, CapRadio Learn more about your ad choices. Visit megaphone.fm/adchoices