“What is a witch’s hat?” Gene Simmons is asking with no mild consternation, midway through our interview. I am baffled: does he mean a traffic cone? “Exactly! A traffic cone! Why do you guys call it a witch’s hat?” “Because it looks just like a witch’s hat.” “Oh, really?” he says. “And when was the last time you saw a witch?” To talk with Gene Simmons, co-founder and co-frontman of Kiss for the last 50 years, is to be quite delightfully entangled. Across our 30-minute chat – a playful and divergent conversation – we cover such topics as witches, monogamy,...