I spent the past few days in Boston. I’d arranged, a while ago, for my daughter to go visit her favorite cousin in Cape Cod for the week. My original thought had been to take the train up to Providence, hand her over (for the 1.5 hour drive to the Cape) and then train home, though that sounded like a lot of travel for not much fun. But then my oldest got approval to do shadowing at a hospital in Boston. He’d been trying to arrange this for a while, and while it would have been more convenient to...