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 Financial Forecast for 2014: Tough, But Manageable WPP Chief Optimistic on Several Fronts; Hopeful But Cautious on Brazil By Martin Sorrell, Published on December 30, 2013 2 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.