A dead duck was found floating in the Reflecting Pool Sunday ... days after workers were seen dumping hydrogen peroxide into the water. Rob Crilly -- a political journalist who previously covered the White House for the Washington Examiner -- shared two photos of the deceased animal to his X account on Sunday. Warning ... the photos are graphic -- capturing the duck, eye still open, floating around against the walls of the pool. Crilly says he's spoken to an expert who says the pool "could have