Presented by Kirsty Wark
Prince Charles's opposition to modernist architecture is well known, but did he overstep his constitutional position when he lobbied the Qatari royal family - behind the scenes - to express his passionate opposition to a multi-billion pound property contract in London which was later cancelled?
Does he, as his supporters claim, simply give voice to the views of local residents who feel ignored by the planning system? Or is his clout increasingly making it impossible for new exciting architecture to find favour?
Today Judge Geoffrey Vos ruled that CPC group, a developer whose Chelsea Barracks property scheme in London was cancelled following opposition from Prince Charles, is entitled to damages.
In June last year the Qatari Diar Real Estate Investment withdrew its planning application for the Chelsea Barracks development masterminded by Richard Rogers for CPC.
It followed a letter Prince Charles had written to Qatar's prime minister and the head of Qatari Diar expressing his opposition to the design.
Judge Vos said, both the developers, the Candy Brothers, and Qatari Diar "were faced with a very difficult position once the Prince of Wales intervened in the planning process" in March last year. "His intervention was, no doubt, unexpected and unwelcome," he said.
Live on Newsnight one of the Prince of Wales advocates faces a leading architect.
As world leaders jet into Toronto for the start of the G20 we have a live interview with the head of the OECD about the dangers of a double dip recession, as European nations tighten their belts in concert. Plus, when he described George Osborne's budget as "courageous," what exactly did he mean?
And, on the subject of these straightened times, our Science editor Susan Watts has a special report from the See Further festival on London's South Bank which opens today, timed to coincide with the 350th anniversary of the Royal Society.
It is a celebration of science that also heralds a big warning - spending cuts for short term savings in the area of science and innovation, engineering and design could have disastrous, long term consequences for Britain's prosperity.
Could we risk losing our place as one of the world's leading scientific nations?
Sir James Dyson tells Susan about the dangers of neglecting science, in particular in our education system.
Do join me at 10.30pm on BBC Two.
Kirsty