Abstract
Students of international politics known as ‘proliferation optimists’ argue that when it comes to the spread of nuclear weapons ‘more may be better’ because nuclear weapons deter great power war and produce greater levels of international stability. This essay provides a critique of proliferation optimism, challenging optimism’s conception of nuclear deterrence theory, its logical underpinnings, and its policy recommendations. It does this by conducting an intellectual history of proliferation optimism, identifying the core weaknesses of proliferation optimism as a theoretical framework, and articulating the myriad threats posed by nuclear proliferation.
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