Chick-fil-A invites customers to wear their spots, eat free and celebrate 21 years of the ‘Eat Mor Chikin’ Cow Campaign ATLANTA, 2016-Jul-08 — /EPR Retail News/ — It’s time to break out the spots and cow bells for Chick-fil-A®’s 12th annual Cow Appreciation Day event on Tuesday, July 12. On that day, customers who show their spots…