Why is stacking empty TSA bins such a hot topic? Some travelers swear it’s common courtesy to clear the trays, while others say it actually messes up the fancy new machines. Turns out, every airport has its own rules, and even TSA agents can’t agree. Is leaving your tray behind as bad as ditching your grocery cart? The internet is divided, and now I’m questioning my own airport habits! #News #TSA #AirportEtiquette