The article, titled: "From the Obama Doctrine to America First: The erosion of the Washington consensus on grand strategy," International Politics (published online: 20 February 2019) examines the social construction and political effects of competing discourses of US foreign policy and national security under the Obama presidency, and concludes that Donald Trump's populist 'America First' stance represents an existential challenge to the established elite consensus and strategic vision of liberal hegemony in the United States.