Barbecue: It's America in a mouthful. The story of barbecue touches almost every aspect of our history. It involves indigenous culture, the colonial era, slavery, the Civil War, the settling of the West, the coming of immigrants, the Great Migration, the rise of the automobile, the expansion of suburbia, the rejiggering of gender roles. It encompasses every region and demographic group. It is entwined with our politics and tangled up with our race...