The store chain initially said it would not attend White House meetings on gun control, but now they have changed their tune and plan to sit down with the Obama Administration to discuss these policies.
UPDATE: Thanks to UTLaw, we learn that Wal-Mart is taking calls on this issue. You will speak with a live customer service agent, and they claim that they are listening to customer input.
The phone number to call is: (479) 273-4000. Tell them you would like to offer input on their decision to meet with the White House on gun control. You will be passed off the some kind of priority customer service.