Halloween is magick. The one day of the year it is socially acceptable to believe in witches crossing the face of the moon, to light jack-o-lanterns, to welcome the dead back to the table. Or call it All Hallows' Eve. For witches, it is Samhain, the end of the old year and the start of the new, when the veil between us and the spirit realm is thin. If you put a glass of sherry out on the table for your dearly departed Great Aunt Gunnysacks, she might...