TV shows, Internet, Harry Potter boost membership LONDON, June 19 — Paganism and the ancient art of witchcraft are on the rise in Britain, experts said on Thursday as the summer’s most celebrated Pagan festival approached. TELEVISION, THE INTERNET, environmentalism and even feminism have all played a role in the resurgence, they say. Soaring Pagan numbers have churches worrying and calling for stricter controls on cult TV programs and films that celebrate sorcery like “Harry Potter,” “Buffy the Vampire Slayer” and “Sabrina the Teenage Witch.” Record attendance is expected at dawn on Saturday morning at the mystical megaliths of Stonehenge,...