By Voice of the Mirror Long may he reignThe shock after Buckingham Palace’s announcement on Monday night was tangible. We applaud the King’s refreshing openness in making his condition public, in the hope it will encourage others to get medical checks. Though his cancer is not of the prostate, it was because of tests for that condition that the true illness became apparent. The consequences for the King and Royal Family will be challenging. His Majesty intends to maintain his weekly audiences with the Prime Minister and keep on dealing with red boxes but public appearances will inevitably be c…