Iran, AI and tradeThe lavish visit — the third between Xi and Trump since the US leader returned to power — will include a formal welcome and another flyover, talks in the Oval Office and a state banquet at the White House on Thursday.It will wrap up on Friday morning when the two presidential couples have tea at the White House and then visit the National Archives, home to the US Declaration of Independence.Expectations of any breakthroughs are low. Analysts say the main aim of the pageantry is to maintain a fragile calm between the superpower rivals.The Iran war will…