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 'Devastating' Attack On Romney Could Be Tipping Point For Super PAC Nuclear War Priorities USA Spot Gains Traction; How Will Republican Groups Respond? By Simon Dumenco, Published on July 18, 2012 1 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.