The Australian Tax Office suspected that PwC used confidential information to help their big corporate clients get richer – seven whole years ago. But they did shockingly little about it. They didn’t even share that information with government ministers. The reason, they say, is that their hands were tied – that bureaucratic rules kept them from exposing one of the biggest scandals in the history of our tax system. Today, chief political correspondent for The Saturday Paper, Karen Middleton on whether secrecy really should have kept the tax office from doing more. Socials: Stay in touch with us on Twitter and Instagram Guest: Chief political correspondent for The Saturday Paper, Karen Middleton