WWW.ACEPIXS.COM . . . . . ....October 1 2008, New York City....Actress Kate Walsh made an appearance at the 'Late Show with David Letterman' on October 1 2008 in New York City....Please byline: KRISTIN CALLAHAN - ACEPIXS.COM.. . . . . . ..Ace Pictures, Inc: ..(646) 769 0430..e-mail: info@acepixs.com..web: http://www.acepixs.com