Honda has earned the highest initial quality ranking in company history from the J.D. Powers and Associates' Initial Quality StudySM for 2011. Adding to the victory is the fact that this improvement puts Honda second among all premium- and non-premium automakers surveyed. And, perhaps even more remarkable:  Honda led the entire auto industry with the most segment leaders, including the Honda Civic (compact car), Honda Accord (midsize car), Honda Element (compact crossover SUV), Honda…