President Trump's daughter says she will not be Nikki Haley's replacement as the US-UN Ambassador. Ivanka Trump pushed back on talk on the possibility that she could step into the role. On Twitter, she said the President will "nominate a formidable replacement for Ambassador Haley," adding "that replacement will not be me." Earlier, President Trump said Ivanka would be "incredible" in the position, but noted that he didn't want to be accused of nepotism. Ivanka Trump is a senior White House adviser.