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 Inside the Collapse of CNN's 'The Sarah Palin Power Hour' The Former Alaska Governor's Career as a TV Talker Showed So Much Promise. What Went Wrong? By Simon Dumenco, Published on July 10, 2009 55 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.