While the hindquarters of swine have been preserved in salt the world over for thousands of years, there are only a few places on earth where ham is as celebrated or integral to the cuisine as it is in the American South. To begin to understand the place that this iconic food holds in the hearts of southerners, Damon Lee Fowler writes, one has only to step into the historic smokehouse of Thomas Jefferson's Monticello and take a deep breath. More than...