Sarah Smith and Anthony Zurcher unpack one of the most surprising political moments of the year - when New York's incoming mayor Zohran Mamdani met Donald Trump in the Oval Office. After weeks of insulting each other during the mayoral campaign, Republicans and Democrats are still reacting to what turned out to be a very amicable and friendly meeting. Trump has promised to help Mamdani make New York City a success, and 'great again', but what does this actually mean, and will the US president do it?
