Liberty-lovers were free to blow their hard-earned cash in many ways at Lexington's July 4th celebration. We passed on the bumper stickers exhorting armed insurrection against President Barack Obama, and the "All I need to know about Islam I learned on 9/11" T-shirts. Wouldn't mind one of those snappy signs linking the Tea Party to Rupert Murdoch's news empire, though. Were they authorized? We report, you decide.