On Saturday night outside Crystal Bridges—the Bentonville, Arkansas, museum founded by Walmart heir Alice Walton—I spotted a whole lot of security wearing dongle earpieces and five-point lapel pins. This wasn’t your normal museum gala security. That’s right: Secret Service.
Given the presence of the first family of American consumerism, the Waltons, and a number of high-profile guests expected to attend, the gala was always going to be well-staffed. After 64 years, the Waltons still…

