Paganism is one of our fastest-growing religions. A druid explains why witchcraft appeals to 21st-century Britain The sky was already murky at 4 p.m. when I locked my bike outside Ye Olde Cheshire Cheese on Fleet Street. Inside, it was even murkier: wood-panelled corridors stretched off into the gloom, men in grey suits were wedged together, smoking Bensons and drinking bitter. No one looked even slightly like an Arch Priest of the Council of British Druid Orders. At 4:10 I found a separate little bar near the back of the pub. As I walked in, a big man with round...