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 McCann Sues MDC Partners, Kirshenbaum Bond For Allegedly Poaching Talent Strongly Worded Lawsuit Centers on Lori Senecal, Says Agency Plotted to Steal Weight Watchers Account By Rupal Parekh, Published on April 15, 2010 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. Register Now Already a member? Log in.