trilateral

GENEVA — The United States called for three-way talks with Russia and China to set new limits on nuclear weapons after the New START treaty expired, erasing the last binding cap on U.S.-Russian strategic arsenals and reviving fears of a new arms race. Thomas DiNanno, the under secretary of state for arms control, told the U.N. Conference on Disarmament in Geneva that the now-lapsed pact had “fundamental flaws,” citing what he called serial Russian violations, the growth of global stockpiles and weaknesses in the treaty’s…