That's why the Henry inquiry's actions are so disturbing.
Reporters who suspect their communications, interactions and movements may be monitored or scrutinised may well limit their activities as a result, stifling the flow of information about what is going on in the corridors of power.
This is a democracy, run by the people, for the people, and our window on that mechanism is the Press Gallery.
I'm not saying inquiries shouldn't have wide-ranging powers to investigate rule-breaking and indiscretion. But threatening to undermine a whole system of political reporting by targeting a journalist in that investigation seems ludicrous.
John Key's office said: "The Prime Minister has previously said he, like most New Zealanders, values the role of the fourth estate around Parliament and he does not think it's appropriate to start looking at their activities."
Someone should have passed that on to David Henry.
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It seems some people think it fair to run an election campaign through our letters to the editor column.
The Rotorua Daily Post has been accused of stifling free speech with its election policy of not taking letters or columns from those set to run for office.
The message I have been sent states "We, the public, deserve and expect the right to fully hear and consider the values, attitudes, beliefs, policies, vision and aspirations each candidate has for the Rotorua District, irrespective of their wealth, current community standing, or notoriety".
I'm not sure why they think we won't be giving this election full coverage - as we do every time - and telling our readers all they need to know to make an informed choice.
Rest assured, each official candidate, rich or poor, will be offered the opportunity to have their say in our news pages, and not in your readers' forum that is the letters page.