California firefighters smash cars for fun and charity

VIDEO: Hayward firefighters caused a multi-car pileup on Saturday but it was no accident and it was all for a good cause. It all went down at the Good Guys car show at the Alameda County Fairgrounds during a benefit fundraiser with a twist --and a grind and a crunch.They rumbled and rattled in from all over the Bay Area -- die-hard, first-responders braving this demolition derby competition, seeking the thrill of victory and, with luck, the coveted trophy which was basically a welded-together pi