Russian officials plan to outline “the contours of a new world order” over the next month as Russia and China intensify their efforts to gain influence at the United Nations. “Our idea is to hold a comprehensive, forward-looking strategic discussion about the contours of a new world order that is coming to replace the unipolar one,” Ambassador Vasily Nebenzia, the top Russian envoy at the U.N., told state media. “This conversation is long overdue.” Nebenzia will play a prominent role in stage-managing that effort, as Russia’s upcoming turn as rotating president of the U.N. Security Council will allow Moscow to...