Jeff wrote:
There are probably as many (or more) threads that drift off topic as there are those that start out that way and are labeled as such. I don't think a new list is really going to help create the separation you seek. In fact, introducing a second list will probably generate many conversations on each list that really belong on the other.
Perhaps, that is true. But one point that most people seem to be missing is that the idea of the second list is also to encourage further conversations.