> I'm interested in this as well.  Would it be possible to use Rails as 
> a framework for creating a CMS?

I know of a handful of CMS projects already happening in Rails. Most of 
them are commercial projects, though. I haven't heard of any open 
source CMS intentions yet.

So yes, (of course) it's possible to use Rails for such a thing.
--
David Heinemeier Hansson,
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