Back in the 1980s, restaurants made an effort to appeal to families by offering promotions like "kids eat free" after a sports team victory. This pretty benign promotion worked to drive traffic to family-friendly chains. One chain, however, offered a promotion that might not work today because standards have dramatically changed. Despite that, the offer was brought back last summer, albeit with a major caveat. "Tuesdays Kids Pay What They Weigh at The Ground Round," the chain shared on its Facebook pag ...