Trans Kids: The Right Response?

'Tonight' investigates the growing debate about transgender people - particularly among the young - and the pace of change around gender diversity in Britain. Dubbed the 'transgender revolution' by some, vulnerable young people can get help and support as never before, but others have expressed concern about the rapid increase in childhood referrals to gender identity clinics and about how schools and other bodies are responding to the issue. Julie Etchingham reports on a much-discussed subject.