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The foreign policy crises that the USA has confronted under the administration of President Barack Obama have generated profound uncertainty about whether the USA can maintain what has been its consistent grand strategy since the end of the Cold War: primacy. The authors argue, drawing on a neoclassical realist framework, that this uncertainty has been driven not so much by fundamental changes in the international system itself, but rather by how such changes have beeninterpretedby the Obama administration and its critics. US grand strategy is now caught between approaches best described as the ‘decline management’ of the Obama administration and the ‘decline denial’ of president Donald Trump, which reflects the fracturing of the domestic ‘political support system’ that has underpinned primacy since the end of the Cold War. [ABSTRACT FROM PUBLISHER]

Despite the recent surge in both governmental and academic advocacy of nuclear disarmament, including initiatives of the Obama administration and the Australian and Japanese governments, the spectre of further nuclear proliferation arguably remains a key challenge for international security. This article suggests that this is particularly the case in Asia due to three major dynamics: (1) the stasis of the international non-proliferation regime embodied in the Nuclear Non-Proliferation Treaty; (2) the state of flux in the global and regional strategic nuclear environment; and (3) increasing regional demand for nuclear energy. This article argues that developments in each of these realms of nuclear affairs hold the potential to increase proliferation pressures in the region. [ABSTRACT FROM AUTHOR]