US and China Hold Rare Talks on Nuclear Arms Control, Hong Kong Criticizes US Bill, China Leads Delegation in Nuclear Talks, Biden Appoints Deputy Secretary of State, Singapore Defense Minister Optimistic

US and China hold rare talks on nuclear arms control, no breakthroughs expected. Hong Kong's Chief Executive criticizes proposed US bill to sanction officials in Hong Kong. China leads delegation in upcoming China-US nuclear talks. Biden appoints Kurt Campbell as deputy secretary of state. Singapore Defense Minister expresses optimism for continuity in China-US relationship.