"I expect to be helping him, not hurting him," Trump said of Mamdani, a democratic socialist who he previously denounced as "a communist."

Ukrainian President Volodymyr Zelenskiy will have to like a U.S.-backed peace plan to halt Russia's invasion and ultimately approve it, U.S. President Donald Trump told reporters on Friday.

When it comes to personal wealth, the differences between the two men could not be more stark — Forbes places Mamdani's net worth at about $200,000 and Trump's at a staggering $7.3 billion.