The new Lincoln MKZ Concept, revealed today at the North American International Auto Show, signals a significant step in Lincoln's reinvention, providing a clear vision of its next-generation vehicles. "With the Lincoln MKZ Concept, we are not introducing a new car. We are essentially introducing a new brand," said Derrick Kuzak, Ford Motor Company group vice president for Global Product Development. "The MKZ Concept is the next step in the reinvention of Lincoln, something we've been...