A daughter's longing love letter to a?mother who has slipped beyond reach. Just past seventy, Alex Witchel's smart, adoring,?ultracapable mother began to exhibit undeniable?signs of dementia. Her smart, adoring, ultracapable?daughter reacted as she'd been raised: If something?was broken, they would fix it. But as medical reality?undid that hope, and her mother continued the torturous process of disappearing in plain sight, Witchel retreated to the...