President Obama and his wife are going to Kenya. Donald Trump said, 'While you're there, pick up your birth certificate.'
David LettermanJohn Kerry says that foreign leaders want him to be president, but that he can't name the foreign leaders. That's all right, President Bush can't name them either.
David LettermanPresident Obama went to India, South Korea, then Japan. He's going to keep travelling until he finds his birth certificate.
David Letterman