Are Scientology's ads aimed at recruitment or retention?; Church advertises in high-profile events as tell-all books are released, but says campaign is timed to expansion drive

If you're a close watcher of the Super Bowl and Grammy Awards, one advertiser may have stood out: The Church of Scientology, which is igniting chatter with its high-profile "Knowledge" campaign. While the church isn't a consistent TV advertiser, it's been more visible in prime time and major TV events in recent years...