The Design of Parliaments Has an Impact on Politics
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I think it could be argued that the assignment pattern of seating has more of an impact. For example grouped by party instead of by location or even random drawing.
As an aside, the Legislative Assembly, which followed the Nat'l Assembly appears to have had a horseshoe shape [1]. It didn't even survive for a whole year, although we probably can't blame that on the shape.
[1]: http://therevolutionofthefrench.weebly.com/uploads/4/0/5/4/4...
Government ministers and political leaders need to be interrogated regularly. I agree with the article that the 'opposing benches' design can facilitate this more easily than the 'classroom-style' design where leaders may appear out of reach for questioning.
However, the 'opposing benches' design can also encourage a combative, adversarial approach that doesn't always lead to substantive debate. For example, every week the Prime Minister takes questions from the opposition (Prime Minister's Questions or PMQs); because this is televised and often reported in the press and on TV, political leaders are judged by how clever their retorts or jabs are, not on whether they actually have anything substantive to say.
Here is a two-minute video clip of PMQs in session (from last week) to give you flavour of what it's like:
http://www.theguardian.com/politics/video/2016/sep/14/jeremy...
I have a vague memory of them looking into the pros and cons of quite a number of layouts during early design. Wikipedia doesn't cite anything helpful, and is quite vague on the topic.
PMQs is entirely accepted as a show that gives all MPs and the press a broad view, almost a caricature of the events and issues of the week and the positions of the parties.
If you had moved to the UK and had no idea of the current state of politics, you could very quickly get up to speed by simply watching a single session of PMQs.
Just for clarity, to attend a PMQs you need to get a ticket from your MP, in most cases a request in a letter is sufficient.
As you posted a link to a PMQ, I'll not miss this opportunity to post a link to when Hague met Prescott over the dispatch box in 2006. For those not in the know, when the PM is away the Deputy PM takes over (Who was in this case the famously brash and ineloquent John Prescott), and as is tradition the Deputy Leader of the Opposition asks the question (who was in this case the fairly forgettable and ineffective past-leader of the opposition William Hague). This is a great example of what is known as "Punch and Judy Politics".
It's also all on TV and live streamed on the internet, every day. You don't need to take time out to go and visit it, if you didn't know that.
http://www.parliamentlive.tv http://www.bbc.co.uk/tv/bbcparliament
The nearby rooms are important. In the UK's parliament, much business is done in the halls outside the chamber. In the US, each party has their own "cloakroom" next to the House and Senate chamber. Those are hangout rooms, with couches, TVs, phones, and food. Maybe it's a mistake that there are separate ones for each party.
To be fair, numerically most of the new laws pass in a "alternative" voting style where you have only the leader of a block of parties voting for all the block... And sometimes they even form blocks of laws to the voted in this style... So yes, no discussion at all...
You have to understand also that we follow the Roman Judicial System, so we have a hundred times more laws that the Anglo-Saxonic countries...