Produce facts and tell blatantly tell the truth.
"when I move into the White House the new attorney general will initiate a thorough and complete investigation in order to clarify to the American people that Barack Obama was indeed eligible and was the legitimate President of these United States. Such an investigation is only fair to not only President Obama and his legacy but also to the American people. I'm sure that the results of this investigation will provide proof that President Obama was indeed legitimately the President of the United States.
However, if by some chance the accusations turn out to be correct, there is a promise that anybody in Congress whether they be republican or democrat will be legally held accountable and justice will be served for any wrong doing and illegal activity. Let that be a warning to the leaders of Congress who have taken the oath to uphold the Constitution of the United States of America."
Attack the media and force them to ask him questions they ignore. How about Fast and Furious for starters? What about Solyndra, Mr. President? Why is going on Letterman more important than meeting with Netanyahu? Just a few zingers.