Our guest tonight is Michelle Obama, first lady of the United States. She's here to announce her run for president.
David LettermanBarack Obama's busy moving into the White House. Earlier today, John McCain was blowing on his soup.
David LettermanHere's a little known fact - Arnold is the first body builder to run for governor since Janet Reno.
David LettermanHillary Clinton is running for president. This time around, she promises to be warm and approachable. Like me.
David Letterman