I don't know know if you've ever watched C-SPAN, but in person debate already doesn't work. In fact, the wisdom of the crowds effect works best when each actor in the crowd makes up their own mind without the influence of external actors.
Well the US house and senate are some what unreformed 18th century institutions one senator /congress man commented that the house of lords was more democratic - the is pre removal of most of the hereditary pears.
