Unveiled at this year’s New York International Auto Show, the Lincoln Continental concept is a reboot of the fabled model that exudes old-school American luxury. The design is a radical departure for Lincoln, forgoing the double-wing grille found on its other current vehicles for a more traditional, elegant face. But not all reviews have been glowing: Bentley’s chief designer Luc Donckerwolke reportedly accused Lincoln designers of copying the Bentley Flying Spur. And while the two sedans share similar proport…