We’d all like deeply considered policy and informed debate to be at the heart of politics, but unfortunately controversies and scandals tend to steal the show.For most parties, scandals are disastrous: they lose seats, ministers and elections — but not One Nation.It's weathered defections and punch-ups (including a memorable smearing of blood on a Senate door), jail and chaos, and thirty years on it's surging.This is a party that doesn’t just survive the chaos, but cultivates it and capitalises on it.---Subscribe to The Conversation's free newsletters.