A brief glance at Simon McDonald’s career résumé makes him appear one of the unlikeliest people to openly accuse a government of lying: four decades as a diplomat and official, with a string of top honours after his name, culminating in a peerage.
It is true that during his long stint at the Foreign Office, the man known formally as Lord McDonald of Salford had to deal with a string of hugely sensitive issues, from the tantrums of Donald Trump to being accused himself of complicity in undermining an overseas government.