The beer cocktail trend has been with us for several years now, and, according to a host of print and online sources, it continues to grow vigorously. Frank Bruni in The New York Times reports that beer cocktails are number-one sellers in many top establishments, such as the restaurant WD-50 in New York, and also that their subtle qualities and intriguing flavors have convinced him to rethink his own former aversion to beer-drinking. Despite the popularity...