My Dad is 91 years old and my Mom is 84. Both are in generally good health, and the years have been pretty kind to them. But their mental and physical conditions have inevitably changed. One significant change – especially as we become more elderly and/or infirm – involves how we communicate and negotiate with others. This hit home with me recently when reading the groundbreaking New York Times bestseller Being Mortal: Medicine and What Matters in the End, by Atul Gawande...