Sunday, October 28, 2012 CNN.com - Top Stories: Optics: The evolution of political ads CNN.com - Top Stories CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. Optics: The evolution of political ads Oct 28th 2012, 23:39 How have presidential campaign ads changed in the more than 60 years they have been on TV? Darrell West explains. You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions Tweet