WASHINGTON, United States: The US military honor guard has been rehearsing and the new White House helipad is ready.

But will Xi Jinping and Donald Trump achieve lift-off at their summit next week? Warnings of an AI apocalypse hang heavy over the Chinese president’s first talks at the White House with his US counterpart, with both countries racing for supremacy in this technology.

Trump’s Iran war casts a long shadow too, as China seeks to avoid US sanctions against countries dealing with Tehran, despite reports that Beijing supplied Tehran with intelligence for a strike on US troops.

A trade war is of even greater concern and the world’s two largest economies are still seeking to mitigate the fallout from Trump’s global tariffs.

The threat of war over Taiwan looms large as well.

Behind it all is desire to manage tensions between a superpower keen to keep its place at the top and a rapidly rising rival determined to make the 21st century a Chinese one.

“I’ll be discussing almost everything with him,” Trump told reporters aboard Air Force One on Sunday, ahead of their meeting on September 24.

‘Don’t expect much’ But the two leaders are more likely to simply extend a relative truce rather than produce any concrete results, like when Xi hosted Trump in Beijing four months ago, experts said.

“I don’t expect much to come out of this,” Jonathan Czin of the Brookings Institution told AFP.

“In many ways, this is going to be a recapitulation of Trump’s visit to Beijing back in May, where the focus was really on the ostensible rapport between the two leaders.” With fears about AI making global headlines, agreement to cooperate on regulation or a slowdown is expected to be a major topic of discussion between Trump and Xi.

But any major deals are “politically out of....