Doug McMillon was Walmart's CEO for more than ten years, overseeing the company's return to retail success. WSJ's Sarah Nassauer sat down with him to talk about Walmart's turnaround, its future and a CEO's role in politics. Ryan Knutson hosts. Further Listening: - The Battle to Be the King of Retail: Walmart vs. Amazon - The 20000 Steps to a Walmart Manager's Six-Figure Salary Learn more about your ad choices. Visit megaphone.fm/adchoices