Media Relations Brand rivalries: Who wins? McDonald’s and Taco Bell aren’t the first companies to engage in some competition through advertising, and they won’t be the last, but they may not be the beneficiaries of the fight. By Jenn StarrMay 5, 2014 SHARE Ragan Insider Premium Content To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.