You can say one thing for Rosie O'Donnell - her staffers are loyal. In the wake of the View moderator's on-air brawl with co-host Elisabeth Hasselbeck earlier this week, an O'Donnell staffer was reportedly escorted out of the ABC building yesterday after being caught drawing mustaches of pictures of Hasselbeck that hang in the show's studios. A rep for the network confirmed in a statement that "photographs at The View's offices were defaced. Rosie O'Donnell was not in the building. ABC Legal and Human Resources are investigating the matter." No comment has been made about who the culprit might be, but media reports indicate that O'Donnell's head writer is responsible.