Copyright 2007 by Alice Sebold. When all is said and done, killing my mother came easily. Dementia, as it descends, has a way of revealing the core of the person affected by it. My mother’s core was rotten like the brackish water at the bottom of a weeks-old vase of flowers. She had been beautiful when my father met her and still capable of love when I became their late-in-life child, but by the time she gazed up at me that day, none of this mattered.If I hadn’t picked up my ringing phone, Mrs. Castle, my mother’s unlucky neighbor, would have continued down the list of emergency numbers posted on my mother’s almond-colored fridge. But within the hour, I found myself