Experience regarding the practice of deliberation grows and the position from which we evaluate it changes. This book concerns: contemporary challenges and approaches to the public sphere, Deliberative Polling applied in different contexts, reflection on deliberative quality. It problematizes democratic deliberation as it relates to the politics.

This study and the topic of George Berkeley and common sense is challenging: Berkeley claims that matter does not exist and at the same time he writes a whole book ( ) on how his system agrees with common sense. Berkeley was a successful scientist and his book defined the topic of psychology of vision for the next two centuries.