Care and Feeding Someone is going to get hurt. July 12, 20268:00 AM Photo illustration by Slate. Photo by Getty Images Plus. Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. Care and Feeding is Slate’s parenting advice column. Have a question for Care and Feeding? Submit it here. Dear Care and Feeding, My sister, “Janice,” cares for our mother, who has Alzheimer’s, in her home. Since summer vacation began, however, she has delegated this responsibility to her 13-year-old daughter, “Paloma,” and I am extremely worried this has created an unsafe situation. The other day, when I visited, I noticed that Paloma had a bruise on her upper arm. When I asked her about it, she said her grandmother had struck her with her can