The Infiniti JX Concept, a preview of an innovative new 7-passenger/3-row luxury crossover that joins the Infiniti lineup in spring 2012, made its world debut today at the Pebble Beach Concours d'Elegance. The JX Concept was unveiled by Senior Vice President and Chief Creative Officer Shiro Nakamura prior to its display throughout the weekend's activities at the famed Lodge at Pebble Beach. "The JX Concept advances the Infiniti design language, sharing design cues of the Infiniti...