Andy Peebles referees Radio 1's open forum - an opportunity for schools and clubs to choose a subject, provide a panel and even pick the music. Add a couple of invited experts ', and the result is an hour's uninhibited argument interspersed with the debut performances of seven young DJS. Producers DAVID WINTER ana SUE DAVIES lj you, or your school or club, have strong views on any subject that needs a good airing, contact: Talkabout, BBC, London W1A 4WW