Exactly 250 years ago, on Dec. 16, 1773, a gang of rowdies, some dressed as Mohawk braves, boarded three merchant ships in Boston Harbor and, over three hours, dumped 342 chests of tea into the cold waves. A new law had, in fact, lowered the price of tea, but they still resented paying a token levy on it. Everyone knows the American Revolution began as a taxpayer revolt. What not everyone realizes is that that taxpayer revolt started on the other side of the Atlantic. Great Britain had had to whack up taxes to pay for the French and Indian...