Dan Gurney, an accomplished and versatile racer whose pioneering innovations in race car manufacturing played an integral role in motorsports, died Sunday at age 86 of complications from pneumonia. Gurney won seven IndyCar races, five NASCAR Cup races and four Formula 1 races from 1962 to 1970, and he teamed with A.J. Foyt to win the 1967 24 Hours of Le Mans. Only Mario Andretti and Juan Pablo Montoya have wins in the top levels Formula 1, IndyCar, NASCAR and sports cars. "With one last smile on his handsome face, Dan drove off into the unknown just before noon today,"...