Cut It Out

What do all despots and dictators across the ages have in common? Homicidal tendencies? Ruthless megalomania? A desire to enslave millions? Of course! They''re not working for Médecins Sans Frontières? . . . but that isn''t the whole story. It''s all been foretold in the hair, baby.

Combing through history, every badass from Genghis Khan to Donald Trump has clambered up the pole to ultimate power o...