NEW YORK, July 5 : For four matches at the World Cup, France had enchanted the world with their attacking play — spellbinding Champagne football that invited comparisons with some of the game’s greatest sides.Yet in Saturday’s trench war against Paraguay, Les Bleus showed they could get their hands dirty too and the way they emerged unscathed from that confrontation spoke volumes about their capacity to win a third title.They will face Morocco in Thursday’s quarter-final, arguably the strongest team in the competition after France so far, but Didier Deschamps’ side have proved they possess steel as well as extraordinary talent.For 90 minutes, they resisted the provocation of a Paraguay side who played with the weapons at their disposal and whether people like it or not, the dark arts that