<iframe width="580" height="385" src="https://www.youtube.com/embed/-gd8yUptg0Q?autoplay=1" frameborder="0" allowfullscreen></iframe> <br>As long as sex work has existed, so have efforts to end it. John Oliver explains why criminalizing the trade hasn't helped the most ... <br><a href="https://www.youtube.com/watch?v=-gd8yUptg0Q">source</a>