Is trick-or-treat over? Is it a tradition in decline? Or evolving? This may sound like a horror story to contemporary parents and helicopter parents, or simply parents, but: When I was 8 years old I went trick-or-treating with a group of friends and no one else came along. We would walk up to strangers' homes. We would ask for candy. We would know some of the neighbors, though we would meet far more. We were 7, 8, 9, 10 years old. It was the late 1970s. Not a single parent tagged behind, or even stood on the sidewalk, waving. We...