Russell Brand is stirring it just about everywhere these days, fair play to him. In this BBC special tonight, the comedian sets out to challenge opinion that Britain's drugs policy is working, and tries to find out how other countries are tackling substance abuse. He goes to Birmingham where he witnesses first-hand the dangers of street addiction and has a pretty full-on interview with Deputy Prime Minister Nick Clegg, who frustrates Brand no end with his opinions. Should they just go ahead and make Russell Brand the Prime Minster over there? Now that would be interesting...