Oct 12, 2014 08:46 BST Spider Communication Limited In this short book, the author sets out the truth about our over-valued ideas of 'tolerance'. At best, tolerance is a useless concept. At worst, it's a vice. Tolerance of bad religion has resulted in death and alienation. Lazy thinking about tolerance has led to confusion about racism, genetics, and gay marriage. Political 'tolerance' is another word for 'cowardice'.