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 Nike Drops Armstrong; Cyclist Resigns From Livestrong As Doping Scandal Escalates, Will Anheuser-Busch, Oakley Follow? By Michael McCarthy, Published on October 17, 2012 5 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.