By Colette Bennett Carb coma, here we come. The fast food universe employs a number of strategies to keep consumers interested in its menus, from constantly offering new versions of classic items to coming up with things so outrageous that people order them just to take on the challenge of finishing their food (and posting them to social media, of course). Another tactic that works wonders on the hungry masses is to discontinue an item to create an outcry … only to bring back the item later down the line. For example, Taco Bell (YUM) – Get Yum! Brands, Inc. Report called off both its Cheesy …