The close relationship between the United States and Europe transcends geographic proximity and transactional politics. It represents a unique bond forged in common culture, faith, familial ties, mutual assistance in times of strife, and above all, a shared Western civilizational heritage. Our transatlantic partnership is underpinned by a rich Western tradition of natural law, virtue ethics, and national sovereignty. This tradition flows from Athens and Rome, through medieval Christianity, to English common law, and ultimately into America's founding documents. The Declaration's revolutionary assertion that men “are endowed by their Creator with certain unalienable rights” echoes the thought of Aristotle, Thomas...