As his superyacht Boardwalk docked in Venice as part of the “Freedom 250 Coastal Diplomacy Italy initiative” in July, billionaire US Ambassador Tilman J. Fertitta was greeted by protests. Fertitta was traveling across the country to meet “with local business leaders, celebrities and...

Empires historically possessed a unique ability to organize diversity and successfully rule over people quite different from one another. The national states that succeeded them in Europe were organized on the basis of nationality (real or imagined) where diversity in language, ethnicity, or religion was...