One of the first emails that Ann Lalor had to send following her appointment as head of Pinsent Masons in Ireland was to cancel its Christmas party. It was November 2021, and the Omicron variant of Covid-19 was tearing through the country. Understandably, the international law firm was cautious. A year has passed and sitting in the tasteful boardroom of its Dublin office, it feels like Lalor is recalling a different world. The lobby of Pinsent Masons’ office in the Windmill Quarter in the south docks in Dublin is buzzing with people. Outside a group of tourists has stopped to…