Infrastructure is the flavour of the month for both investors and the Commonwealth government. Former Victorian state Liberal politician, the Hon. Mark Birrell, was appointed in early April to head Infrastructure Australia, replacing Sir Rod Eddington AO. Prime Minister Tony Abbott has declared that Infrastructure Australian will build a “strong and prosperous economy”, and that the body’s organisational structure will be overhauled. Way back in 1997, when the Wallis Inquiry…