The secretary of Health and Human Services nominee wrote in an ethics agreement that he would keep receiving contingency fees.

Just outside New York City’s Central Park Zoo, not far from where Robert F. Kennedy Jr. once stealthily deposited a dead bear cub, stands a bronze statue to another animal: Balto, the husky that, 100 years ago this month, played a leading role in a daring and perilous rescue that captured the world’s attention.