A royal commentator has made a subtle observation about Prince William’s regalia at a recent D-Day event that she claims will be hard for Prince Harry to stomach. Political leaders and royal figures from the UK, France and the US came together last week to commemorate the 80th anniversary of the D-Day landings in WW2. In a series of events that took place throughout the week, the likes of Joe Biden and French President Emmanuel Macron were joined by a host of members of the royal family, including King Charles. Among the royals present was Prince William – and though his brother was not in att…