Prince William will lead a “changed” monarchy once he becomes King with a key decision on Prince George’s future being a cornerstone to his foundations, according to Angela Levin. The royal commentator joined Eamonn Holmes and Isabel Webster on GB News to laud the future King’s display at Trooping the Colour, where he was on hand to support his wife, Princess Kate, who made her first public appearance since announcing her cancer diagnosis. Royal fans were also treated with a glimpse at the future with Prince George, Prince Louis and Princess Charlotte taking on prominent roles at the event. Ea…