"I'm concerned over the long haul, for sure," Bush said in an interview aired Sunday on NBC's "Meet The Press." "Our demographics are changing. And we have to change not necessarily our core beliefs, but the tone of our message and our message and the intensity of it, for sure. ... This is going to be a close election. Long-term, if conservatives principles our going to be successful and implemented, there has to be a concerted effort to reach out to a broader audience than we do today."