In the old days, brewers made beer on a massive scale. Today's brewing revolution is all about staying small and regional, where you really know who drinks what you make — or even brewing only at the neighborhood level. Russ Klisch — president of Lakefront Brewery— and David Dupee — cofounder of Good City Brewing — talk with Charles Monroe-Kane about how going smaller has opened up new creative and business possibilities, and how the craft beer revolution might just save small towns across the country.