It is with deep regret that I accept John Bolton's decision to end his service in the Administration as Permanent Representative of the United States to the United Nations when his commission expires. Over a year ago, I appointed Ambassador Bolton because I knew he would represent America's values and effectively confront difficult problems at the United Nations. He served his country with extraordinary dedication and skill, assembling coalitions that addressed some of the most consequential issues facing the international community. During his tenure, he articulately advocated the positions and values of the United States and advanced the expansion of...