As an example of political self-harm by establishment political parties, the current Irish presidential election will be hard to equal. The latest opinion poll before Friday’s vote indicates that the far-Left independent candidate, Catherine Connolly, is likely to romp home in this two-horse race. With just two days to go, Connolly has an unassailable 19-point lead over her sole opponent, Heather Humphreys of the centre-Right Fine Gael party. Humphreys ended up being the establishment candidate, after the centrist Fianna Fáil party’s candidate was forced to withdraw from the election as a result of a minor scandal regarding overpaid rent of...