Racing icon Mario Andretti talks traditions of Indy 500, remembers Kyle Busch

Formula One racing legend Mario Andretti joins "NewsNation Live" to discuss the 100th running of the Indianapolis 500 and share his thoughts on the passing of NASCAR driver Kyle Busch. Andretti said hearing the news about Busch was the "shock of all shocks" after he'd seen him just a few days prior to his death.