Beer producers and distributors' activity around three-tier legislation is well documented - but what about the fervent work of advocacy groups? One of the more powerful with its heart set on three-tier reform is Washington-based think tank CEI and its resident beer issues specialist, Michelle Minton. We asked Michelle about the nonprofit's top-of-mind ledge battles in beer. In fact, the developing 1183 Costco Initiative is one of them, as she thinks it could pave the way for beer...