The next big U.S.-China competition: artificial intelligence

What we're watching: Look for Walmart to increase pressure on lawmakers to stand up to the increasingly influential protectionist faction in the White House. Here's what else Penner had to say: Walmart is made better by "being paranoid" about the competition. On how the company is managing its expansion into China by partnering with JD.com: Editors note: Penner is an investor in Axios.