Craft beer has always been part of the business at Rusty Bucket Restaurant and Tavern, but now it has a brew to call its own. The Columbus-based casual pub chain teamed up with Columbus-based Four String Brewing Co. to create the Rusty Bucket Pilsner, an all-malt pilsner-style lager on tap only at the chain's 14 Ohio restaurants. "It just fits what we do," Gary Callicoat told me. "We're not brewers, but this was an opportunity to get a signature brew created just for us." The founder...