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Happy Brown Skirt Day Eve to all who celebrate! All across America, families are busy peeling more than 50 million pounds of sweet potatoes, many of which will eventually be drenched in a glue-like mixture of brown sugar, butter and corn syrup. By this time tomorrow, candied yams will be sitting at the bottom of your stomach, along with your uncle’s stuffing, your aunt’s mashed potatoes, your grandma’s nut bread, your cousin’s cranberry sauce and, of course, the tryptophan-laced turkey meat.