On Saturday Prince William turned 21. How can the king-in-waiting avoid the mistakes of many young princes of the past who lived scandalous lives devoted to excess? Mixing history and biography, the conclusion to this two-part programme explores a model for a 21st-century prince.
Producer David Hutt ; Executive producer Michael Poole RT SHOP: video, £9.99 (inc p&p). Send a cheque, payable to RT Shop, to: [address removed], or call [number removed] (national rate) SmartTV Featured in this term's issue of Smart TV magazine: available from WHSmith; or order on [number removed]