To celebrate St. Patrick’s Day, here is a tale of financial shenanigans at the American Irish Historical Society, in which Trump-deranged New York Attorney General Letitia James is hoist by her own petard. It involves a grand old building on Fifth Avenue, an unpaid loan, a fading family dynasty, a James Joyce theatrical production which almost ended in fisticuffs, and hypocrisy from the AG as obvious as a glass of green beer. It all began when James Doyle, a wealthy Georgia businessman with a love of his Irish roots, joined the board of the nonprofit society, whose crown jewel is...