It’s fascinating what people choose to collect as a hobby. As a kid, I collected stamps. It wasn’t much of a collection. I loved the colorful triangle stamps put out by some country named, as I recall, Tanya Touva. At least I assumed it was a country. It could have just been some guy in Nova Scotia with a printing press and a clever scheme to separate 10-year-olds from their nickels and dimes. Somewhere along the way, my stamp album and I were separated. I also collected baseball cards – the kind that came wrapped in wax paper with a...