The British royal family put on a brave face on Christmas, ignoring deep fault lines within it, as its chief members, led by King Charles and Queen Camilla, walked, as is customary, to church on the Sandringham estate, closing out a year likely to be remembered for a rolling succession of health crises. Both the king and Kate Middleton announced they had cancer this year. Kate has since said she is cancer-free but Charles continues to have weekly treatment. The annual walk to the Church of St, M