Renaud Pirotte, left, and François Dethier work in their micro-brewery in Liège, Belgium. ILLUSTRATION: La Curtius. BRUSSELS—A storm in a beer glass is raging in Belgium.

Those New Belgium brewers do love The Lou. The popular Fort Collins, Colorado brewery, makers of Fat Tire Amber Ale, ... Craft Beer and Free Film Under the Stars: New Belgium’s Clips of Faith in ...