MPDI Special Report Middle Power in Action: The Evolving Nature of Diplomacy in the Age of Multilateralism Bringing to a close two years of landmark research into middle power diplomacy, the EAI is pleased to release its special report titled “Middle Power in Action: The Evolving Nature of Diplomacy in the Age of Multilateralism.” The report looks at the definition of middle power, development of a middle power network, and application of middle power diplomacy in improving U.S.-China cooperation. It also suggests policy recommendations for middle powers to expand their status and role, using the specific example of South Korea in issue areas such as climate change, security, maritime disputes, development cooperation, trade, finance, and relations with China.