Banjo posts on political forums sounds like an excellent idea. They could be pretty political at that as well.

Political discourse is more interesting with people whose views you respect. If people are interested in folk music I've got enough in common with them for the differences between us to be interesting to me. And if there weren't any differences the discussions would get a bit empty and flabby.

The crucial thing is that we keep it as an argument and a discussion and don't trail off into quarrels and fights and flaming. I get the impression that collectively we are getting better at doing this. And Doug is an example of someone I disagree with on a lot of things who doesn't turn the arguments into quarrels. (And I probably agree with him on a lot of things, but we haven't got round to many of them yet...)