Will Dominique de Villepin, the flamboyant former prime minister under Jacques Chirac, be to Sarkozy what Chirac was to Valéry Giscard d’Estaing in 1981? Chirac, it should be recalled, guaranteed the defeat of Giscard d’Estaing by dividing the Right so bitterly that it proved impossible to reunite behind Giscard in his final-round confrontation with François Mitterrand.