Six years ago, my friend and former student Marla Alupoaicei published a book, Generation Hex (Harvest House). She did so because she’d had little interaction with Wiccans until she was in college. And there she met a girl in a writing class who told her, “I’m a white witch.” Marla didn’t know what to say, and having been taught to stay away from anyone involved with witchcraft, she remained silent. Marla still regrets being unequipped to have a spiritual conversation with that girl. But the experience led her to co-author a book that helps Christians have meaningful conversations with Wiccans. When the book came out, I ran a column here…