Last year, the King was the first monarch in more than 30 years to take part in Trooping the Colour on horsebackMillions of Britons are breathing a sigh of relief as news emerges that the King's positive progress in his battle against cancer will lead to his resumption of "public-facing... Last year, the King was the first monarch in more than 30 years to take part in Trooping the Colour on horsebackMillions of Britons are breathing a sigh of relief as news emerges that the King's positive progress in his battle against cancer will lead to his resumption of "public-facing...