Over the past hundred years, Western civilization – the Free World – has faced repeated existential challenges from tyrannies that hated it, whatever ideological clothes they happened to wear. We prevailed every time, and alongside our clear intellectual and technological superiority, one condition of each victory was the inspiring role of leaders who rose to meet those challenges with courage and clarity. In 1940, it was Churchill; in 1946, Churchill and Truman; in 1983, Reagan and Thatcher.