King Charles III struck an unexpectedly somber note in a new speech, publicly acknowledging that he may not live to see the future of one of the causes closest to his heart. More than two years after announcing he'd been diagnosed with an undisclosed form of cancer, the British monarch reflected on his own mortality while speaking at a New York City reception for The King's Trust, the youth charity he founded in 1976 as The Prince's Trust. Charles, 77, and Queen Camilla, 78, were in the city on the third day of a four-day U.S.