Your editor has been examining the ROI of adding brewery ops to existing restaurants - retroactive brewpubs, if you will - for a freelance gig, and some of the results are telling. If you didn't know it, brewpubs -- defined by the BA as those restaurant operations that brew beer on site and sell at least 25% of it there - make up the majority of the almost 1800 breweries, though far from the majority of its barrels...