If a wayward MP is expelled or resigns from their party, there's a law parties can use to boot them out of Parliament entirely, bring in someone new, and keep their share of the vote. It's nicknamed the party-hopping law, or waka-jumping law, and it's tailor-made for situations like this: Darleen Tana has resigned from the Greens, the Greens want her gone from Parliament altogether, here's a law that lets them do that. There's just one small problem: the Greens themselves.
view more