A Big Australia?

What sort of population can Australia - and the world - afford? Do we need more people - or should we limit population? We interview federal MP Kelvin Thompson, outspoken commentator on population growth. And in a change of pace, we ask Kelvin to tell his story, of how he got into politics, and what it's like being in Federal parliament today. How does it feel to be monstered by the media and political oponents. Interview by Rod