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The Star, Greg Griffo, Associated Press
IndyCar CEO Randy Bernard, left, listens to IndyCar president Brian Barnhart talk about the report on the Oct. 16 fatal crash of Dan Wheldon at Las Vegas Motor Speedway, Thursday Dec. 15, 2011 at The Indianapolis Motor Speedway in Indianapolis. Wheldon was killed when his head hit a post in the fencing at Las Vegas Motor Speedway, contact that created a "non-survivable injury" to the two-time Indianapolis 500 winner. The cause of death was revealed Thursday when IndyCar presented its findings of the Oct. 16 accident during the Indycar season finale.

INDIANAPOLIS — IndyCar executive Brian Barnhart wonders every day whether there was something, anything he could have done to prevent the crash that killed Dan Wheldon.

Results from the two-month investigation into the fatal accident, released Thursday, absolved Barnhart of any blame. But that hasn't made it any easier.

Pausing to collect his thoughts, Barnhart says the death was "devastating" and that getting through the emotions of the past two months has been "extremely difficult and challenging."

In his first substantial comments to reporters since the crash, Barnhart talked about his emotions after the race, the new focus on testing and his new job. Two weeks ago, he was removed as head of race control after a controversial season in which drivers publicly questioned his decisions.