Column: 'We need to fix it' safety concerns dogging NASCAR

There are safety concerns about NASCAR's Next Gen car. Alex Bowman and Kurt Busch suffered concussions. Rick Hendrick is the most powerful team owner in the sport. . The first four playoff races were a mess of car fires, broken parts and blown tires. There were only six cautions in Talladega Superspeedway race. It was the cleanest race yet of this year's playoffs. Alan Gustafson, the winning crew chief, attributed it to the performance of the Nextgen. He understood that the midpoint of playoffs is not the ideal time for an intense debate over driver safety.