Our guest tonight is Michelle Obama, first lady of the United States. She's here to announce her run for president.
David LettermanNumber one: Don't frisk me. Don't hurt me physically. Don't get anywhere near my neck. And don't call me Regis.
David LettermanHere in New York City, it's cold. It's so cold the Republicans want to use the Keystone Pipeline to deliver soup.
David Letterman