Hong Kong Philosopher Taught Life’s Meaning. Now He Visits Students in Jail.

Chow Po Chung pushed his students to participate in public affairs — idealism that he worries could cost them their freedom.

Hong Kong Is Dangling Incentives to Get Vaccinated. That May Not Be Enough.

Experts warn that lotteries and other perks may do little to allay the anxiety and confusion underlying residents’ reluctance to get inoculated.