Pint glasses clank together in a bin behind a bar emptied of patrons on a gray evening — the eve of another workweek. Pubs of this sort are all wood, leather, and tweed. Old-timey, tradition-bound. But comfortable all the same. I’ve been reading up on witches these past few days, Alex Mar’s book Witches in America leading me through a brief history featuring figures like Gerald Gardner and Aleister Crowley and groups like the OTO. I’m of mixed mind regarding this history, curious but wary. The power of these traditions seems undeniable — but what are the principles guiding this power, and toward what end?