Opinion polls in Britain suggest public faith in politics and politicians has plummeted in the last decade. Why? A lot of powerful reasons lie within the pages of a dark political memoir written by Damian McBride. He was the spin doctor for former British prime minister, Gordon Brown, and routinely used smears, leaks and a host of dirty tricks to serve his master's interests and undermine his enemies. In the past Damian McBride never let the truth stand in his way. What about now?