Nikki Haley calls U.N. ambassadorship the "honor of a lifetime"
U.S. Ambassador to the United Nations Nikki Haley denied that she will be running for office in 2020 but said "nothing is set" as to her next steps after announcing she will be resigning from her post at the end of the year. Speaking at the White House, President Trump praised Haley and said he's considering "a number of people" to take her place.