Final answer:
Kroger is the grocery chain that decided to stop requesting customers to not carry weapons in its stores, engaging in the national discussion on firearms in public spaces.
Step-by-step explanation:
The grocery chain that said it would stop requesting customers to not carry weapons in its stores is Kroger. This decision was part of a larger national conversation about the presence of firearms in public spaces, and especially in retail environments. Grocery chains like Kroger are often at the center of this discussion because they serve a broad segment of the public. Policies at these chains can influence or reflect public opinion and legal trends regarding open carry and concealed weapons laws.