I seldom saw my parents feuding, but there was one thorny issue they couldn’t agree on. When my mother retired after years of teaching she wanted my father to retire as well so like many of their retired friends they could travel freely. They had traveled a bit over the years – across country, to Mexico and Canada, to much of Europe, and to Israel – but not to Africa or Asia or Australia, and my mother wanted to see all those places. She wasn’t hoping for a...