A Guide to the New World Disorder: Essay

French historian Fernand Braudel identified three cycles of history. The shortest is the day-to-day flow of events; Braudel called them “fireflies” on the stage. Next up are paradigm shifts — like the end of the Cold War — that can play out over decades or longer. Finally, there’s the longue durée: the bedrock of climate and geography that shapes everything else and changes only over centuries or millennia.

Six months into US President Donald Trump’s second term, it’s clear that the course of events has changed. In just a few summer weeks, the head of the Bureau of Labor ...