Signatories of the landmark nuclear non-proliferation treaty began a meeting on Monday at the United Nations in New York as fears of a renewed arms race escalate, with atomic powers again at loggerheads over safeguards. In 2022, during the last review of the treaty considered the cornerstone of non-proliferation, UN Secretary General Antonio Guterres warned humanity was “one misunderstanding, one miscalculation away from nuclear annihilation”. On Monday he warned “the drivers” of nuclear weapons...