Elon Musk takes dig at Waymo after San Francisco blackout

Tesla CEO Elon Musk took a swipe at Waymo after its self-driving cars stopped moving at intersections in San Francisco, causing traffic jams during a widespread blackout over the weekend.Waymo temporarily suspended its autonomous ride-hailing service in the San Francisco Bay Area on Saturday after a massive power outage knocked out electricity to about 130,000 homes and businesses. Video was shared online of Waymo self-driving cars appearing to be stalled at intersections, triggering traffic jam