As millions of Americans fire up their backyard grills this month in commemoration of our nation’s independence, New Orleans celebrates a multi-year surge in the number of local eateries specializing in what some consider America’s only indigenous cuisine: barbecue. What was once a glaring omission in the city’s otherwise wide-ranging culinary community now features a small-but-fervent number of “low-and-slow” connoisseurs. While all of the newcomers have collectively elevated the profile of ...