"The first time any of them used irony was a great joy in my life. Sofia made a joke when she was less than two. She was barely talking. One of our nannies is named Marta, and she would say ‘Adios, Marta’ early on. She was eating her cereal, called Oatie-os. She looked at the cereal, and she looked at Marta and said ‘Oatie-os, Marta.’” WILLIAM H. MACY is delighted his daughter Sofia, now nine, has developed a strong sense of humour.