David L. Hough: A longtime motorcyclist with more than 48 years' riding experience and a million miles on the street, David L. Hough is a popular motorcycle journalist and the best-selling author of Proficient Motorcycling and Mastering the Ride: More Proficient Motorcycling, both in their second editions. At 76 years of age, Hough continues to travel extensively by motorcycle and has biked in Nor...