@CNN: The US decision to suspend participation in a nuclear arms treaty long violated by Russia has triggered concern and fed into a decision to keep the Doomsday Clock as close to a symbolic point of annihilation as it has been since the height of the Cold War https://t.co/DdGKFkcTGf

@CNN: The US decision to suspend participation in a nuclear arms treaty long violated by Russia has triggered concern and fed into a decision to keep the Doomsday Clock as close to a symbolic point of annihilation as it has been since the height of the Cold War https://t.co/DdGKFkcTGf