Diplomacy is usually pictured as a conversation between governments. Yet political parties shape the choices governments make, the arguments citizens hear and the trust that survives a change of administration. When relations grow strained, a channel between parties can keep people talking even when official conversations become difficult. That is why the inaugural Inter-Continental Dialogue among Political Parties, held in Seoul from Sept. 6–9, deserves attention beyond its closing ceremony. Convened through the International Conference of Asian Political Parties (ICAPP), it brought together representatives from Asia, Africa, Europe and Latin America. The participants did not share a single political tradition. They have a shared recognition that disagreements across continents are too consequential to be left to suspicion and distant statements. The meeting adopted the Seoul Declaration, affirming the principles of the United Nations Charter, human rights, social justice, the rule of law, sustainable development and multilateral cooperation. It also set an ambition for an inclusive