Any journey outside of Louisiana will reveal not only the uniqueness and vibrancy of our culture, but also our uncommonly strong grasp on it. Thankfully that stubborn refusal to let go of boudin, zydeco, and blue dogs has made its way into the lieutenant-governor’s office.

Mitch Landrieu’s pet project, bolstering our “cultural economy,” as he has dubbed it, has led to the fourth annual Louisiana Cultural Economy Summit. Taking place Oct. 29-30, it has been combined with the World Cultural ...