TSA offers holiday travel guidelines: No gravy in carry-onsBy Alexandra Jaffe - 11/22/12 04:21 PM ET Holiday travelers cannot bring certain Thanksgiving food favorites on planes, according to Transportation Security Administration (TSA) guidelines that ban the carrying of food items ranging from cranberry sauce to gravy. In a post Thursday on the TSA's blog, agency blogger Bob Burns warns holiday travelers to pack liquids, including "gravy, jams, jellies, maple syrup, oils and vinegars, sauces, soups, wine, liquor and beer," in their checked bags. "Eggnog can be an alternate to fuel depending on who’s mixing it. Sometimes there’s a fine line...