Former French President Nicolas Sarkozy's sons Louis (center 2nd L) and Pierre (center 2nd R) attend the Champions League soccer match between Paris St-Germain and Olympiakos' Piraeus at the Parc des Princes Stadium in Paris November 27, 2013. REUTERS/Charles Platiau (FRANCE - Tags: SPORT SOCCER POLITICS)

ATTENTION EDITORS : FRENCH LAW REQUIRES THAT THE FACES OF MINORS ARE MASKED IN PUBLICATIONS WITHIN FRANCE