Frank MacGabhann was wearing a specially commissioned T-shirt with the logo of “The New York Society for the Suppression of Vice” There’s no escaping James Joyce these days – even, as Felix Larkin (Letters, Monday) has pointed out, in the debate about Gaza. Yes, that “Garrett Deasy” whose name featured among the 600 academics calling for a boycott of Israeli universities last Saturday was the ghost of a bigoted schoolmaster in Ulysses, under whom Joyce’s alter ego works for a time. He was based on a real-life Francis Irwin: a northern unionist, which makes the Hibernian pseudonym Joyce gave him...