Dilemmas posed by Lib Dem vow to exit Brexit without referendum

Lib Dem leader Jo Swinson speaking at the party’s annual conference in Bournemouth. Photograph: Peter Nicholls/ReutersThe Liberal Democrats’ new referendum bypass policy to stop Brexit is clearly a tactical error, as identified by Polly Toynbee (Swinson’s move to revoke hands Labour a golden opportunity, 17 September). It also has the greater significance of sinking their claim to the moral high ground on EU policy, already flawed by their failure to acknowledge their role in g