A new sheriff arrived in town with the appointment of Nikki Haley, former governor of South Carolina, as U.S. Ambassador to the United Nations. In her first speech, she indicated the disproportionate contribution by the United States -- 22% of the UN budget and 28% of UN peacekeeping operations -- to the world organization. The UN budget should be subject "strategic cutting," and sometimes withholding of dues. In picturesque language, Haley spoke of the need for a strong U.S. role at the UN. She had already made clear during her testimony on January 18, 2017, to the Senate Foreign Relations...