When I woke up today, Sunday, to learn there’d been yet another mass shooting in the US at Brown University with two dead, I was dismayed at my own lack of surprise – it could never happen here in Australia, I thought. It was a reassuring thought, amid another saddening tragedy. Unlike the troubled, violent US, Australia boasts some of the world’s strictest gun laws. It has long been a point of pride for the country, and a pull factor as to why I stay here, after moving from the UK 14 years ago. I never take the liberating safety...