Gary Bettenhausen, who auto racing legend Mario Andretti said "was all that we loved about the people who did our business" but who paid a huge professional price for that love, died Sunday night at his home in Monrovia, Ind. He was 72. "It was so natural to become friends with him," Andretti said. "He was a great ambassador of the sport." The oldest of the second generation of racing Bettenhausens from Tinley Park, a family recognized as much for its multiple tragedies as for its success on the track, Mr. Bettenhausen seemed like a sure thing right from the...