At a time when religious differences continue to divide, a visit to the Andalusian city of Cordoba is a refreshing history lesson, reminding us of what it means to live together in multicultural harmony. Cordoba’s historic center is architecturally unique as it preserves, side by side, its complex Islamic, Christian, and Jewish past. “Convivencia,” or coexistence in Spanish, is a term you’ll often hear in reference to medieval Spain, where ...