Lincoln is bringing back its iconic "suicide doors." A special limited-edition version of the big Lincoln Continental will have back doors that are hinged at the rear rather than the front. The feature presented some engineering challenges, but backward-opening doors are something Lincoln designers have long wanted to include on a car, design director David Woodhouse said. The doors are closely associated with one of the brand's best-remembered models, the 1960s Lincoln Continental. The 1961 Continental was a turning point in American automotive design. Many automakers were experimenting with new styles as trends shifted. After years of ever-increasing chrome trim...