It's been called the oldest profession in the world, but attempts over the years to abolish it, regulate it, or decriminalise it have been met with mixed results.

So can prostitution ever be legitimate work - or is it always exploitation, particularly for women who form the bulk of the sex work trade?

Julie Bindel is a UK-based journalist who has long been a critic of attempts to regulate sex work and she debates the issues with Jules Kim, the CEO of the Scarlet Alliance which represents sex workers in Australia.