Billed as a question and answer session with 2 NASCAR Hall of Famers, a 15 minute session at the NASCAR Fan Appreciation Day turned into a master class in leadership from car owner Rick Hendrick. Poised alongside fellow Hall of Famer Mark Martin, the two swapped laughs and stories, but embedded in their dialogue were deep leadership lessons that give you a glimpse into how Hendrick became a success. Here are 3 key takeaways on Hendrick’s leadership: Leaders learn from everyon