By Daniel Kline The creator of the Big Mac appears to have a Whopper of a failure. People visit most fast-food chains — certainly, the big-three burger chains McDonald’s (MCD) – Get McDonald’s Corporation Report, Restaurant Brands International’s (QSR) – Get Restaurant Brands International Inc Report Burger King, and Wendy’s (WEN) – Get Wendy’s Company Report \– largely for comfort food. We want a Big Mac, Whopper, or Baconator because it makes us feel good (even if ultimately it doesn’t make us feel good physically). Wendy’s has had some success with its seasonal salad and Burger King has k…