The 11-year-old version of LuAnn was enthralled with studying the globe in our sixth-grade classroom. Pastel blue denoted water on the curved, glossy sphere. Continents lifted from the surface, outlining rugged terrain. Each country was color-coded, some purple, some red, others green.

I’d spin the globe and, as the air movement slowed to stillness, would place a finger on the surface, open my eyes to discover what country I’d investigate next.

In social studies class that year, my classmates and I used that same method to plan a trip, complete with itinerary, and write a report about the cult...