Microgrids. Southern California Edison has shut off power to about 1,500 homes in the Southland today. It's a preemptive measure in case heavy winds knock over electricity transmission lines that could spark a wildfire. The move follows a controversial power shutoff in the Bay Area, and it's raising an important question: Isn't there a better way to produce and transmit electricity? Guest: Jack Brouwer, [associate professor, mechanical & aerospace engineering], University of California, Irvine. (Starts: 13:10)