The Communist Party appeared a hundred years ago on the French political and social scene. According to opinions and moments, it has been the party of Moscow, of those shot, of the working class, of the union of the left, the party of the foreigner or that of the nation. It has been underground, in government, in town halls, in factories or in the streets. Some considered it too revolutionary, others not enough. More than others, it aroused passions, positive or negative. It attracted many and repelled just as many. After the fall of the USSR, it decided to remain a communist party, while...