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 No Marketing Fallout Expected for Serena Williams Brands Stick With Tennis Star After Profane Outburst; Others See Opening for Champ Clijsters By Rich Thomaselli, Published on September 15, 2009 10 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. Register Now Already a member? Log in.