Thus, the good impression left against the leader, PSG (1-1, September 21), appears very distant after the setback suffered against Brest (1-2, October 26), the happy draw against Lyon last Saturday ( 1-1), then this dry defeat on Friday. Having weighed too little up front, with only Junya Ito appearing vaguely dangerous, the Marne formation was also too crumbly behind. An in-depth introspection is therefore planned between now and the trip to Strasbourg on December 8…