For five decades, the Ford Thunderbird has been a car that has taken America on a wonderful ride through the changes of its time. From the sporty classic two-seater that people still go nuts for over half a century after it was first built, to the retro reincarnation of today and everything in between from sleek convertibles and suicide-doored sedans to supercharged coupes, the T-bird has been an enthusiast's car for all seasons. Thunderbird 50 Years...