Bob Brown on Lidia Thorpe and the right to protest

Guardian Australia’s political editor, Karen Middleton, speaks with Bob Brown – environmentalist, social justice campaigner, former senator and leader of the Australian Greens. They talk about the right to protest in a democracy in light of Lidia Thorpe’s recent protest against King Charles during his visit to Parliament House in Canberra, and Bob Brown’s decision to speak out against George W Bush in 2003