Russia’s invasion of Ukraine has brought renewed attention to energy security and the key role of oil and natural gas in today’s interconnected global economy. But how well do we understand the different ways in which being a petrostate such as Russia can decisively affect the foreign policies of this select group of states? According to Emma Ashford, a resident senior fellow at the Scowcroft Center for Strategy and Security at the Atlantic Council, our understanding of the effects of oil wealth on foreign policy is far less developed than the study of its repercussions in internal politics. I…