Small, strategic changes often produce outsized effects. Opinion editor’s note: Strib Voices publishes a mix of guest commentaries online and in print each day. To contribute, click here.

Irishman David McWilliams’ history of money has placed him in the same ballpark as the likes of Piketty, Harari and Gladwell.

Graphs, Data, Perspectives’, we look at the World Inequality Report for 2026. Among other things, it shows that the top 10% ...