“The worst defect weak republics can have is to be indecisive, so that all their decisions are taken out of necessity, and if any good comes to them, it comes through force of circumstance rather than through their own prudence.” - Machiavelli [Discourses, I.38] In a...

Until it decided to confront Moscow with an existential military threat in Ukraine, Washington confined the use of American military power to conflicts that Americans could afford to lose, wars with weak opponents in the developing world from Saigon to Baghdad that...