King Charles III has expressed his support for the “Shine Your Light” campaign that aims to galvanize 100,000 Christians in the U.K. to take part in pop-up carol singing, Nativity plays and other creative efforts to help people know Jesus is the King of Kings. In a letter sent to the organizers, the king expressed “warmest good wishes” and lauded the efforts to “bring many Christian denominations together, and share in faith this festive period.” The letter, made public on the Shine Your Light campaign website, added that the Charles had been “most touched” by the success of the previous...