Why did Trump and Xi seal a deal on World War II soldiers’ missing remains?

A decades-long effort by Beijing and Washington to recover the remains of US servicemen missing in China since World War II has resurfaced in the wake of the summit between the nations’ leaders. The commitment was included in an eight-point list of outcomes from Chinese President Xi Jinping’s three-day state visit last week, alongside other agreements covering issues including artificial intelligence and trade. According to a statement issued by China’s foreign ministry after the summit, the two...