The Western Sydney Airport 'Leppington Triangle' land deal has had a whiff about it ever since it was revealed that a $3 million block of land owned by Liberal Party donors was bought by the Morrison government for $30 billion. This week we know so much more. We know that public servants may have tried to cover-up the land purchase when auditors questioned whether they'd paid too much. We know the valuer nominated by the land holder didn't actually get to go onto the land to do any of the valuations. He could only d