OAKLAND, Calif. - A major sideshow erupted on the eastern span of the Bay Bridge overnight. It's becoming a common occurrence in the Bay Area. The sideshow in the middle of the night came to a close with a fireworks show. Participants shot them 30 feet into the sky with cars taking over the bridge around 2 a.m. Sunday, causing traffic to come to a halt for about an hour. Video shows multiple cars pulling donuts, getting dangerously close to spectators. Passengers hung out of car windows and sat in truck beds, as drivers spun in circles. "You could hear...