Senator James Risch

Andrew Bremberg at the 2018 Conservative Political Action Conference in National Harbor, Md. A group of human-rights and global-health nonprofit organizations has recommended that the Senate reject the nomination of Bremberg as US ambassador to the UN in Geneva. GAGE SKIDMORE

Heather Nauert, center, in Helsinki, July 16, 2018. In December, Trump said he was nominating Nauert to succeed Nikki Haley as US ambassador to the UN, but the White House hasn’t sent the formal nomination to the Senate Foreign Relations Committee, which holds the confirmation hearing. STATE DEPARTMENT