Good morning.

Donald Trump is due to arrive in Beijing on Wednesday evening, the first visit to China by a US president since he was last there nearly a decade ago, as he seeks to mend power and prestige weakened by the war in Iran.

But the Middle East conflict he started – and seems unable to finish – will cast a long shadow over two days of talks, amid fears he may be tempted to weaken US support for Taiwan, the self-governing democracy claimed by China, in return for Xi’s help.

White House officials said Trump would travel with a delegation of more than a dozen US business leaders, including Elon Musk of Tesla and Tim Cook of Apple, in a sign that both governments still seek economic cooperation despite strategic rivalry.

What is the state of US-China relations? The two countries remain locked in a fragile tariff truce , reached last autumn after tensions threatened to erupt into a full-scale trade war.…