Westbound traffic on the Bay Bridge was at a standstill Sunday evening for nearly two hours after all lanes were blocked by protesters. Multiple local news outlets reported that protesters spray-painted "BLM," the initials to Black Lives Matter, onto the bridge in yellow before being stopped by authorities. There were no reports of violence. The CHP reportedly said it arrested some of the protesters, who were in a caravan of about 50 vehicles. The backup began around 4:30 p.m. and continued for well over an hour. At 6:25 p.m., only a trickle of vehicles were moving past the protest scene...