If you have not been hearing much of the French Gilets Jaunes or of the Italian Sardines in the last few months, it's because "the social and psychological unrest arising from the epidemic tends to crowd out the conflicts of the pre-epidemic period, but at the same time, it constitutes the fertile ground on which global protest may return more aggressively once the epidemic is over," writes Massimo Morelli, Professor of Political Science at Bocconi, in a paper recently published in Peace Economics, Peace Science and Public Policy.