When a minister comes under attack from the parliamentary lobby, petty allegations are treated as monstrous crimes.
Outside Westminster Hall, a baffled group of tourists noticed Oliver Cromwell giving a nod of approval.
But his new book conveys very well what is wrong with social media, and how it might be put right.
In his new book, Jeremy Black traces the history of Britain’s relations with the Continent, and how it bears on the Brexit debate.