Last week The Ditch published an article on the business interests of Sinn Féin's finance director. He is more than a mere employee; he is one of the eight grey eminences who manage the Sinn Féin Party, North and South. He was the executor of the estate of William Hampton, the Englishman who left millions of pounds to Sinn Féin in the Republic of Ireland, only for the money to turn up in the accounts of Sinn Féin in Northern Ireland. It is a murky story of planning irregularities, substandard rental properties and …