... This week Gingrich also released his 24th book, with many of his upcoming campaign stops doubling as marketing events for his book and movies, raising more questions about the true intentions of the campaign. "If he's being driven by book sales, and movie openings and things like that, that doesn't fit into a traditional campaign," said Reed. Also raising questions from independent watchdog groups is the operation of a charity Gingrich founded, called Renewing American Leadership. Its website contained ads for Gingrich's books -- taken down after ABC News asked about them -- and posted his positions on political...