On January 29, 1774, Benjamin Franklin was called to appear before the Privy Council--a select group of the king's advisors--in an octagonal-shaped room in Whitehall Palace known as the Cockpit. Spurred by jeers and applause from the audience in the Cockpit, Solicitor General Alexander Wedderburn unleashed a withering tirade against Franklin. Though Franklin entered the room as a dutiful servant of the British crown, he left as a budding American...