Washington, Nov. 23 -- After months of trading insults, US President Donald Trump and incoming New York mayor Zohran Mamdani smiled at each other, swapped compliments and pledged to collaborate on tackling crime and affordability in the nation's biggest city at an unexpectedly friendly meeting at the White House on Friday. The political opposites - a Republican billionaire and a young democratic socialist - have clashed over everything from immigration to economic policy. But it was clear the two forged a rapport in their first encounter. Mamdani, a 34-year-old state lawmaker, stood by Trump's desk as the 79-year-old president smiled up at him and patted him warmly on the arm, having only recently falsely caricatured Mamdani as an antisemitic communist, among other jibes. "We agree on a lot more than I would have thought," Trump said after letting journalists and cameras into the Oval Office at the end of a private meeting with the mayor-elect. "We have one thing in common: We want this city of ours that we love to do very well."P13...