Good guy Dave Grohl (Foo Fighters) is back at it again. As part of his Backbeat BBQ project, the frontman showed up at Fire Station 68 in Calabasas to barbecue for some of the firefighters that are working to control the deadly fires in California. The station thanked him via Instagram: https://www.instagram.com/p/BqGyocnFFeE/?utm_source=ig_embed View this post…