During his time in the French Socialist Party, he supported the party's centrist wing, whose political stance has been associated with "third way" policies advanced by Bill Clinton, Tony Blair and Gerhard Schröder, and whose leading spokesman has been former prime minister Manuel Valls.
Under sin tid i det franske Socialistparti, støttede han partiets højrefløj, hvis politiske ståsted er blevet sammenlignet med "tredje vejs"-politiken som blev fremført af Bill Clinton, Tony Blair og Gerhard Schröder, og hvis ledede fortaler har været den tidligere premierminister Manuel Valls.