A judge on Friday issued a temporary restraining order against Cook County’s new soda tax before it was supposed to take effect on July 1. However, 22 Chicago-area McDonald’s charged the penny-per-ounce tax over the weekend and are now offering refunds for customers who bring in receipts, according to the Chicago Tribune. While Cook County says the mistake isn’t their problem, retailer plantiffs say this is “exactly what we were concerned about. The county has not properly communicated with …