I was encouraged in my hopes of Joanna Cherry when I read that she was urging the SNP to accept that the anti-Brexit campaign was over and lost. I would have been happier if she were to explicitly acknowledge that the obsession with Brexit should never have been permitted to supersede and supplant the commitment to restoring Scotland's independence which gets top-billing in the party's own constitution. But we take what we can get.
What that testing of the old question tells us is that, while it may have been adequate and acceptable when it was agreed, that was more than seven years ago. The political landscape has undergone tectonic changes since January 2013.