What is virtue? What is moderation? What is justice? What is courage? What is good? What is piety? Socrates thought that understanding the perspectives of others on these six great questions would help him become a more excellent human being. Following in Socrates's footsteps, Christopher Phillips--"Johnny Appleseed with a master's degree" (Utne Reader)--investigates these same questions, beginning in the marketplace of modern-day Athens. He goes...