Taylor, a U.S. Army staff sergeant in Honolulu, was just trying to make this year a little better when she posted on Facebook last week, saying that, this year, 3-year-old Luke would be carrying a blue bucket, and she hoped people would understand when she said “trick or treat” for him. But the post was shared and reshared: first by members of the local military Facebook page where it initially appeared, then by parents and well-wishers across the U.S.