thumb|Mitterrand (right) with Philippe Pétain on 15 October 1942 François Mitterrand has been called a "" (an expression used by the historian Jean-Pierre Azéma to describe people who supported Marshal Philippe Pétain, the head of the Vichy Regime, before 1943, but subsequently rejected the Vichy Regime).Robert Belot in La Résistance sans De Gaulle, éd. Fayard, 2006, et Henry Rousso in l'Express n° 2871, du 13 juillet 2006.
thumb|Mitterrand (right) with Philippe Pétain on 15 October 1942 François Mitterrand has been called a "" (an expression used by the historian Jean-Pierre Azéma to describe people who supported Marshal Philippe Pétain, the head of the Vichy Regime, before 1943, but subsequently rejected the Vichy Regime)Robert Belot in La Résistance sans De G.aulle, éd. Fayard, 2006, et Henry Rousso in l'Express n° 2871, du 13 juillet 2006.