What's China up to in Antarctica?

China recently opened its fifth research station in Antarctica, and some experts are saying Australia should be worried about the expanding presence on our doorstep. Plus, millions of police searches have been carried out in NSW, but most of them found nothing. Now, questions are being raised about how lawful the searches are. Also, a new campaign has been launched to keep employers accountable for addressing sexual harassment in workplaces. Guests: Paul Farrell, investigative journalist, ABC Patty Kinnersly, CEO, Our Watch Dr Adrian McCallum, senior lecturer in geotechnical engineering, University of Sunshine Coast