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An open letter to Walmart’s C.E.O.

In the wake of the weekend’s mass shootings — one of which took place at a Walmart in El Paso — Andrew urges the retail giant to take a stand on the rising tide of gun violence in America.

• In an open letter to Walmart’s C.E.O., Doug McMillon, Andrew writes that the company must use its economic clout “to help fix a system that is clearly broken, to solve a crisis whose costs are measured in lives, not just in profits and losses.”

• “You could threaten gun makers that you will stop selling any of their weapons unless they begin incorporating fingerprint technology to unlock guns.”

• “You have leverage over the financial institutions that offer banking and financing services to gun makers and gun retailers as well as those that lend money to gun buyers.”