There has been a lot of speculation lately, not least from Pauline Hanson, about the possibility of the One Nation leader riding her surging polling figures into the Lodge at the next election. So what are the rules around who can be prime minister? What would need to happen first? Is it likely Hanson will ever hold the position, or is this just hype? What are the rules? While the prime minister has historically come from the House of Representatives and not the Senate, where Hanson is, this is