Can you believe the construction of a high speed rail network could start in just two years?  Scepticism is not unwarranted because we’ve been talking about fast train travel for decades, but it’s never happened because it basically costs too much.   Today, Joe Langley, an urban planner who worked on the Gillard government’s study of high speed rail and who is a member of the advocacy body the Australian High Speed Rail Association.  Featured:  Joe Langley, urban planner and member of the Australian High Speed Rail Association