Ruth Dudley Edwards: 'The true republican believers haven't gone away, you know'

'Whoever is responsible for this bomb in our Beautiful City tonight," tweeted Fiachra McGuinness, proud son of Martin, last weekend after the Derry bomb, "live in Planet hate." Irritated by his sheer effrontery, I responded: "They are merely doing the kind of thing your father organised for decades, Mr McGuinness. Fortunately, unlike him, this time they didn't manage to murder anyone."