The “Urban”? No…the K5 Blazer.  Sometimes a new star is born not out of innovation, but from catching up to the competition. That’s the story behind one of the most popular sport-utility vehicles ever made: the Chevy Blazer.  1966 Bronco Half CabImage Courtesy of Garret Harmola of Aldan American In 1966, Ford introduced the Ford Bronco, their first in the compact off-road category. But the Bronco was in response to…