For more than 30 years, October has been celebrated as National Popcorn Poppin’ Month. The observance became official in 1999 when the acting U.S. Secretary of Agriculture proclaimed it so, and it stands for a reason. According to popcorn.org, Americans consume over 16 billion quarts of the “whole-grain, good-for-you treat.” It’s a popular snack with both children and adults and remains the universal food of choice for enjoying movies both at your local multiplex or....