Times (UK): The Prince of Wales flew halfway round the world today for an official tour of Japan in which he will be calling for a drastic reduction in carbon output. Accompanied by the Duchess of Cornwall, he was greeted in Tokyo by Crown Prince Naruhito, who cut a solitary figure, being unaccompanied, as usual, by Crown Princess Masako, who has not carried out official functions since being diagnosed with depression. Clarence House officials are already working hard to promote the key …