The occasional series that offers personal viewpoints. Chemical Britannia. Mat Southwell explores drugs in Britain today from the perspective of users, historians and academics arguing that it is time they were decriminalised. Producer Nicola Gibson Another episode tomorrow 11.20pm (S) (W) WEBSITE: www.bbc.co.uk/livechat
Followed by 48 Preludes and Fugues (R) (S) (W)