"I've often been accused of repeating myself. But I firmly maintain that there is absolutely no shame in repeating yourself. In fact, you should be repeating yourself. And here's why. At any given time, only a fraction of the people listening to you will really hear what you're saying. If you repeat your message a few times in different ways, you increase the odds of getting your message across." –Jeff Atwood

Maybe the Republicans figured this out about eight years ago?