The competitive effect of Walmart's new membership program, Walmart+, on Amazon was at the center of Burt Flickinger's latest conversation with Cheddar's Brad Smith. Burt discussed how Walmart wins in four key cornerstones of pharmacy, consumables, wearables and hard goods, as well as with gasoline discounts. Also: Walmart's potential challenge to both Amazon and Apple in streaming via partnership with Tic Toc, Microsoft and Oracle and its opportunity to win in advertising in partnership with Publicis, driving revenues and margins.