<P><EM>Why We Argue (And How We Should): A Guide to Political Disagreement</EM><I>in an Age of Unreason</I> presents an accessible and engaging introduction to the theory of argument, with special emphasis on the way argument works in public political debate. The authors develop a view according to which proper argument is necessary for one''s individual cognitive health; this insight is then expanded to the collective health of one''s society. Proper argumentation, then, is seen to play a central role in a well-functioning democracy.</P><P>Written in a lively style and filled with examples drawn from the real world of contemporary politics, and questions following each chapter to encourage discussion, <I>Why We Argue (And How We Should) </I>reads like a guide for the participation in, and maintenance of, modern democracy. An excellent student resource for courses in critical thinking, political philosophy, and related fields, <I>Why We Argue (And How We Should) </I>is an importan