Prince William and Princess Kate suffered an embarrassing moment when mingling with the public during an engagement in Scotland last week, when they were heckled by a furious royal watcher . The awkward moment occurred when the Prince and Princess of Wales were arriving at a community pub in Fallin, as eager royal watchers lined the streets to catch a glimpse of the future king and queen. While most of the crowd were thrilled to see William and Kate in Scotland , one irate member of the public