It's no wonder Malcolm Turnbull has been desperate in parliament's final fortnight of 2016 to get some legislative wins.
After ratifying the Paris agreement on climate change, the government is looking ahead to its 2017 review of climate change policy.
Tensions between Pauline Hanson and her beleaguered One Nation senator Rod Culleton have been on open display this week, raising the question of whether the party will be able to hold it all together.
When micro parties that include politicians we might charitably call "characters" suddenly get clout, things are likely to go badly.
Pauline Hanson knows how to hurt. She tweeted this week: 'When you look at Bill Shorten's recent rhetoric it seems Labor is now taking its cues from Pauline Hanson's One Nation. Good to see.'
Pauline Hanson has backed the referral of her Western Australian senator Rod Culleton to the High Court to determine his eligibility to sit in parliament, declaring it a matter of integrity.
The departure of up to two crossbench senators and the uncertainty over who might replace them is giving the government fresh obstacles in their efforts to pass legislation.
Further uncertainty has been thrown over the Senate crossbench, with the government now moving to have the High Court determine whether One Nation's Rod Culleton was ineligible for election.
Any reforms must move beyond a focus on administrative processes to acknowledge the lived experiences of child support which can be disguised by formal policy.