Television News Michelle Obama to be guest on 'Late Show with David Letterman' 03/12/2012 America's first lady, Michelle Obama, is to make her first visit to the "Late Show with David Letterman," CBS announced Monday. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: David Letterman Michelle Obama Joe Biden Late Show with David Letterman Late Show
