At a time when new international forces such as the rise of China, terrorism, and climate change, as well as global economic restructuring, are leading policy-makers on both sides of the Atlantic to question the relevance of the West, we need to better understand the international and domestic forces that shape the US-European relationship. The Phelan US Centre will play a leading role in this effort by sharpening our understanding of the international challenges facing the West and identifying new possibilities for transatlantic policy innovation, bilateral cooperation, and ideological recalibration.