You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Burger King Shaking Up Ad Agency Roster Again Fast-Food Chain Quietly Partners With Pereira & O'Dell, Is Talking to More Shops By Maureen Morrison, Published on August 28, 2012 6 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.