Interview with Walmart’s e-commerce chief Marc Lore, who is leaving the company at the end of the month to build “a city of the future (Jason Del Rey/Vox)

Interview with Walmart’s e-commerce chief Marc Lore, who is leaving the company at the end of the month to build “a city of the future” — Marc Lore, the founder of Jet.com, helped Walmart become the No. 2 online shopping site after Amazon. — Marc Lore, a serial entrepreneur …