They left me out of Christmas, so I went alone. I posted one photo on the plane—and my daughter called, screaming when she saw who I was sitting beside. On December 22 at 9:11 a.m., my daughter-in-law said, “We’re doing Christmas at my mom’s. You can stay home.” At 9:27, I booked a flight to Europe. My name is Evelyn Hart, and I’m sixty-seven years old. I live alone in a small colonial in Madison, Wisconsin, where the porch groans when the snow gets heavy and the maple out front holds on to ice