WASHINGTON (AP) -- In a story Aug. 19 about Harley-Davidsonamp;apos;s $15 million air-pollution settlement with federal regulators, The Associated Press reported erroneously the reason more than 12,000 motorcycles had been found out of compliance with federal clean air regulations. The bikes were in violation because they were sold without required environmental certifications, not because they were modified with the suspect tuners also at issue in the settlement....