Steve Cooper, a former Detective Inspector and founder of Rank Success talks to former Police Sergeant Harry Tangye about the police promotion process.  It's always been considered a bit of potluck with accusations of all the wrong candidates being promoted and the great leaders, rarely being so, but what are the secrets behind it all and how can candidates be more successful?  Here's a chance to listen to an expert I highly respect, having witnessed his own leadership in the Force I served for 30 years.