Treasury exposes mining tax flaws – The Aus; Labor wields axe to fund rail – The West; Walsh pledges new Rio discipline – The Fin; Goyder hits back at ACCC – The Fin; Shell pleads for green tape reduction as energy fears aired – The Aus

Treasury exposes mining tax flaws – The Aus; Labor wields axe to fund rail – The West; Walsh pledges new Rio discipline – The Fin; Goyder hits back at ACCC – The Fin; Shell pleads for green tape reduction as energy fears aired – The Aus