Maybe da message here is don't mess with da Bears at work in Chicago. No one at Webb Chevrolet in suburban Oak Lawn, Illinois would comment for this story, but general manager Jerry Roberts told other news outlets he did fire salesman John Stone for continuing to wear a green and yellow Green Bay Packers' tie after he asked Stone five times to take it off.

Roberts reportedly said the tie salted the wounds of potential customers who are Bears fans, and it undermined an advertising campaign the dealership has with the Bears.

But can you really legally be fired for wearing a tie supporting the rival of the boss's favorite team?

Professor RANDY SCHMIDT (University of Chicago Law School): Unfortunately, the short answer is yes, you can.

Read more at NPR's Morning Edition