Presented by Emily Maitlis
An overhaul of the allowance system was, arguably, never going to be met with cheers all round.
But today we get a first glimpse of the kind of response it elicited.
Conversations released under the Freedom of Information Act describe 'incidents of behaviour' by MPs towards staff at the Independent Parliamentary Standards Authority.
It makes for quite colourful reading.
One word seems to crop up quite repeatedly in the dialogue. Indeed, we're still having a heated debate on Newsnight about how graphic we should make the expletives.
Tonight, we'll reconstruct some of the exchanges documented, speak to one of the MPs accused of behaving badly and ask if this tells us anything about MPs' attitudes to the expenses scandal a full year on.
Also tonight, has the June budget - hailed by the Chancellor as 'progressive' - served only to penalise the poorest families? The Institute of Fiscal Studies reckons so.
It says those with less money will be disproportionately hit by the cuts the coalition government has made. Is this true?
Nick Clegg dismissed the study as 'partial' - but for a coalition that has staked its reputation on fairness, it makes for uncomfortable reading. We'll be speaking to the Treasury.
Is Mexico currently the biggest threat to America's national security? Seventy two bodies have been discovered on a ranch in northern Mexico, following a shootout with a suspected drug cartel.
Indeed the murder stats are utterly outlandish - 28,000 people killed since 2006, and now a war being waged on the very government departments the drug barons are alleged to have infiltrated. We speak to Mexico's ambassador live.
Do join me at 10.30pm this evening, BBC Two,
Emily
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