For the first time in her 30-year political career, Pauline Hanson fronted the National Press Club this week. It was a blistering address, and a combative question-and-answer round with journalists – with Hanson attacking multiculturalism, the climate crisis, transgender rights, Indigenous policy, paid parental leave and the two public broadcasters.Longtime journalist Margo Kingston knows Hanson better than most – having covered the One Nation leader since her first rise to prominence in 1996, and also written a book about her 1998 election campaign. Kingston speaks to Guardian Australia political editor, Tom McIlroy, about why she thinks Hanson’s incendiary speech is the beginning of her federal campaign