Plzen in the Czech Republic was literally born to make beer. When King Wenceslas II of Bohemia founded the city in 1295, he granted its 260 households the right to make beer. For hundreds of years, this worked great. Yet as might be expect with this many home brewers, quality varied over time. It was easy to get beer but not so easy to get good beer. In 1838, several of the more enthusiastic brewers in town declared 36 barrels undrinkable and dumped them out in front of the town hall. This drove...