Tea Partiers responsible for ‘Don’t tread on me’ flag sales

It’s not that Greg Wald could have predicted the surprising wins by Tea Party-backed candidates in the September 14 primaries in Delaware and New York. But Wald, the third-generation owner of All Nations Flag Company Inc., on Fifth Street in the River Market, had one indication. He’s been selling a lot of the yellow Gadsden flag, which is printed with the motto “Don’t tread on me.”