A renowned philosopher challenges long-held views on just wars, ethical conduct during war, why wars occur, how they alter people and societies, and more. For residents of the twenty-first century, a vision of a future without warfare is almost inco...

A central bond, a cherished value, a unique relationship, a profound human need, a type of love. What is the nature of friendship, and what is its significance in our lives? How has friendship changed since the ancient Greeks began to analyze it, and...