Ten years ago, on September 15th 2008 the US investment bank - Lehman brothers collapsed - triggering panic on financial markets around the world and the start of what we in Australia call the Global Financial crisis. So what lessons were learnt? How appropriate was Australia's response? What is the political legacy of the GFC? And can it happen again? At the Australia Institute, we have been helping start a new conversation about what we can learn from the past and what we must do in the future.