Ten years on: Mary MacKillop, the 'patron saint of trouble makers'

This week marks ten years since Mary MacKillop — Australia’s first and so far only Catholic saint — was canonised by Pope Benedict XVI. But how much do you know about Mary? And why is she informally remembered as the 'patron saint of trouble makers'? On Soul Search today, Meredith Lake finds out with the help of Sister Mary Ellen O’Donoghue and Carole Cusack, Professor of Religious Studies.