Topic: Doug McMillon

Walmart is cracking down on ammo sales and open-carry policies (Getty/Scott Olsen/Bytmonas)

NRA vs. Walmart: American showdown

Igor Derysh
(AP/Evan Vucci/Paul Sakluma/Reuters/Sergio Perez)

Trump's uber America

Gary Legum
Protesters gather outside a Wal-Mart Neighborhood Store for a peaceful demonstration Thursday, Sept. 5, 2013, in Chicago. (AP/Charles Rex Arbogast)

Wal-Mart's new controversy

Josh Eidelson