Howard, now 87, still remembers the US visit like it was yesterday. It was a momentous visit, but not in a way the former prime minister had imagined.

Peter Hartcher was in Washington, DC, during the deadliest act of terrorism in modern history. But have we forgotten the lessons learnt in its wake?

Howard, now 87, still remembers the US visit like it was yesterday. It was a momentous visit, but not in a way the former prime minister had imagined.