Waving signs with anti-tax slogans and carrying American flags, crowds gathered in support of less government spending and lower taxes in numerous cities yesterday. The "tea party" element of the gatherings was meant to reference the Boston Tea Party, a pre-Revolutionary War event in which colonists dumped tea in the Boston Harbor to protest the British king's tax on what was a colonial staple. Many of the flags flown yesterday were historical and reminiscent of the American Revolution. "Tea Parties" Increase Sales for Flags One of the flags seen in abundance at these "Tea Parties" is the Gadsden flag, an...