Two weeks ago, my husband and I took the kids to Alexandria, Virginia, for the day. We walked around, shopped a little bit, ate lunch, watched some of the street performers—including an amazing magician—and generally just enjoyed a day without a sports commitment. When we hopped on the Trolley to take it up the street because the kids wanted to ride it, they were excited. At the next stop, a grey-haired man got on. He was older and red-faced, as if he’d been in the sun for seven straight days with no protective lotion. He was wearing a summer suit with a hat. My daughter was sitting next to me,…