Some readers will recall the furore five years ago about the Presidents Club charity dinner at the Dorchester. The Financial Times sent two undercover journalists to work as ‘hostesses’ at the annual fundraiser and their report made uncomfortable reading for the big hitters in attendance, including Nadhim Zahawi. It was not just a men-only event, but the 130 hostesses were instructed to wear skimpy black outfits with matching underwear, and several were groped, sexually harassed and propositioned at a party following the dinner.