The thing is to avoid getting into direct arguments with individuals but rather to address the issues. And completely ignore any name-calling. That's the way Jeremy Corbyn operates, and that was also how Tony Benn did.
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Last time anything to do with a politically related issue we were having some posts about comparisons between trades unions in Britain and Germany. Anybody out there with any actual experience that's relevant to that? One of the thing that worries Labour supporters is that this government might use Brexit as a way of hitting various kinds of workers rights, and the right to organise effectively is a central part of that.