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 Bob Lutz Out as General Motors CMO VP-Sales Susan Docherty to Take Over His Spot; Lutz Remains Vice Chairman, Adviser By Jean Halliday, Published on December 04, 2009 7 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.