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
