Who are today's Wilberforce and Pitt? Uniting to combat an ancient evil that was once thought abolished, but is now the fastest growing criminal activity in the world: slavery.

Andrew Urquhart's guests discuss the urgent move for lawmakers to put politics aside, block supply and demand, and focus on the vulnerable people who the Modern Slavery Bill seeks to protect. With National MP Greg Fleming, the Salvation Army's Paul Barber, and Thomas Scrimgeour from the Maxim Institute. Join the conversation by texting 8168, keyword 'Comments'. (www.thoughtsandcomments.co.nz)