Dale Earnhardt Jr, right, talks about missing the next two races with his second concussion in the past six weeks during a news conference prior to practice for Saturday's NASCAR Bank of America 500 ... more 
Dale Earnhardt Jr, right, talks about missing the next two races with his second concussion in the past six weeks during a news conference prior to practice for Saturday's NASCAR Bank of America 500 NASCAR Sprint Cup series auto race in Concord, N.C., Thursday, Oct. 11, 2012. Team owner Rick Hendrick, left, looks on. (AP Photo/Chuck Burton) less 
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Associated Press | Photo By Chuck Burton
Thu, Oct 11, 2012 2:42 PM EDT