As the globe shrinks, it is more important than ever to search for and discover ways for diverse groups to coexist peacefully. This salient, well-researched text offers a practical guide for understanding and learning the skills and knowledge needed to participate effectively in cooperative argumentation—a model for deliberative community. Developing the capacity to engage meaningfully and successfully in cooperative argumentation across differences prepares individuals for ethical and effective deliberation in diverse twenty-first-century contexts. The authors use a wide variety of examples to illustrate concrete proposals for cultivating moral abilities, cognitive skills, and communicative virtues.