US-Russia nuclear arms treaty expires
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Experts warn that the expiration of a long-standing nuclear arms control treaty between the two superpowers could mark the start of a new nuclear rivalry.
Since the collapse of the old Soviet Union, Russia has cut a substantially diminished figure on the international stage.
A Russian official said Moscow is ready to respond with military measures if the United States deploys its missile defense program to Greenland.
Trump, Putin, and Xi can and must put the world on a safer path by taking commonsense actions to build down the nuclear danger,” said one campaigner.