Royal commissions in Australia - when have they made a difference?

Since Federation, there have been 141 royal commissions in Australia into various crises and tragedies. Some have brought about meaningful policy change, while others - like the 1991 Royal Commission into Aboriginal Deaths in Custody - have been largely sidelined by governments. So what makes a Royal Commission work? Professor of Public Policy Michael Mintrom has studied dozens of commissions to understand how their structure, scope and strategy can determine their success. Guest: Michael Mintrom, Professor of public policy at Monash University Producer: Ali Benton