More than a thousand hotel workers whose union contracts are expiring this summer planned to march in downtown San Francisco on May Day Wednesday. The workers are demanding raises, better healthcare coverage, and improved workloads on their shifts. Shawn Chitnis reports. Website: http://kpix.com/ YouTube: http://www.youtube.com/CBSSanFrancisco Facebook: https://www.facebook.com/CBSSanFrancisco Instagram: https://www.instagram.com/kpixtv/ Twitter: https://twitter.com/KPIXtv Read this story