OPINION: The post-mortems in National over its crushing defeat in Northland will be long and hard and are already under way.
OPINION: Shockwave. That is what will be going through National after the Northland rout.
OPINION: The final day of the Northland by-election campaign has come down to one thing. Winston Peters versus John Key.
OPINION: Winston Peters' lead, according to the latest poll, is so formidable that he is likely to win. John Key himself thinks so.
OPINION: Did National pick the wrong candidate? Was it a blunder to make too many big spending promises? Did it choose the wrong campaign team?
OPINION: Livelihoods rely on protecting NZ's IT infrastructure, explain Andrew Colarik and Rhys Ball.
OPINION: It's time for the Government to pick up the slack around teacher salaries, writes Angela Roberts.
OPINION: Revelations the GCSB snooped on rival candidates for the job are as disturbing as they are explosive, writes Tracy Watkins.
OPINION: Retiring at the election, did former health minister Tony Ryall bail out at just the right time?
OPINION: Officials needed to know whether lizards or native geckos exist at the property ... and whether their lives are in danger.
OPINION: It's a blood sport anyone can play. Shooting at MPs in their fishy barrel.
OPINION: Russel Norman single-handedly gave the Greens economic credibility and that credibility may depart with him.
OPINION: Are Northland voters about to inflict something of a trial separation from National?
OPINION: National is set on overtaking Winston Peters' Force for the North campaign bus with much on the line in the fight for Northland, writes Andrea Vance.
OPINION: The Government's political management, good, bad and ugly, has been brutally laid bare.
OPINION: Parents will be understandably alarmed by the latest baby formula scare.
OPINION: National is in trouble in the Northland by-election and its answer is as old as the hills - pull out the chequebook.
OPINION: Andrew Gunn examines New Zealand First's Northland by-election.
OPINION: Nicky Hager must wonder why he bothers.
OPINION: It's hard not to feel sorry for the nation's spooks after wading through the latest Snowden documents.
OPINION: Call me old-fashioned, but I never thought you told people you were spying on them.
OPINION: It's not a paradise out there in the South Pacific - dangerous things happen like coups and mutinies.
OPINION: Watching Winston Peters, you can't help being reminded of an old lion on his rock surveying the grassland.
OPINION: Howie Tamati, sole Maori councillor on the New Plymouth District Council, sees the granting of Maori wards on local councils as a step in the right direction, telling Radio New Zealand it is "not the right answer but a start". He is wrong, very wrong.
Opinion: Put it to party co-leader Te Ururoa Flavell the Maori Party are government lapdogs, he'll likely agree with you.
OPINION: Dean Barker had his shot and came up short, but the way he was dumped is an outrage.
OPINION: The question on everyone's lips is whether Tony Abbott's first official visit here would also be his last.
OPINION: It was classic Winston Peters.
OPINION: With his leadership mortally wounded back home, Tony Abbott will be unlikely to be in the mood to hand John Key many big wins when they meet.
OPINION: As the oil price plunged, so did petrol prices. But did they plunge enough?