Pacific Gas & Electric implemented a controversial practice of cutting power to selected portions of Northern California on Saturday to guard against wildfires as the weather turned very windy, dry and hot. Electricity was turned off around 6 a.m. to 1,600 customers in parts Napa, Solano and Yolo counties. Just as that shutdown was called off, the utility warned 27,000 customers in Butte, Yuba, Nevada, El Dorado and Placer counties that their power would be cut from 9 p.m. through Sunday morning. The end of the earlier shutdown was announced around 4 p.m., and the utility said power would be...