What do TV3, the family of the businessman Sean Quinn, a consortium assembled by the boomtime financier Derek Quinlan, and the Irish technology company Calyx all have in common? The answer is that all were involved in transactions whereby the former Anglo Irish Bank wrote off €10 million or more as part of a commercial transaction. They were not alone. In total, the bank absorbed a capital loss on 38 such transactions, all of which occurred during the previous financial crisis. And, according to its legislative mandate, the Commission of Investigation into Anglo’s successor, the Irish Bank Resolution Corporation (IBRC),…