MuMbrella | Michelle Guthrie's stint at ABC helm had a key weakness: she failed to back the journalists MuMbrella Guthrie's dismissal was a shock, but for some ABC journalists it was a welcome one, writes the University of Melbourne's Denis Muller in this crossposting from The Conversation. September 24, 2018 4:12. by DENIS MULLER. 0. Michelle Guthrie's departure ... |