Morton's The Steakhouse, a high-end restaurant chain, is responding after a firestorm of complaints on social media about how it treated a cancer patient dining at its Nashville location over the weekend. A man undergoing chemotherapy treatments says he was asked to take off his hat because it violated the restaurant's dress code. Robert Chambers says he put on a beanie to keep him warm --combating the side effects of his chemotherapy treatments. Chambers says a waitress then told him to take off the hat because it was against dress code. After explaining that Chambers had cancer, a manager came...