Not anymore. I'm sure the last 20 years of technological advancement hasn't escaped your notice. I think eliminating colocation is an idea that deserves serious consideration.
I'm a software engineer, working remotely, and still prefer face-to-face conversation over phone or internet-video chats.
I'm glad that our representatives meet to discuss things. If they didn't, I imagine there would be more miscommunication about what's best for America than there already is.
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.