Fifteen years ago, Irwin Richardt was asked this question as he sat in the kitchen of his sagging clapboard house with no heat, little plumbing and only one room with electricity. "Who will take care of you when you get too sick or too old to work?" "My neighbors. That's the way God intended it to be." Richardt said this with absolute confidence. It was how the old farmer spoke. In slogans and dogmatic truths. Strong words from a slight, soft-eyed man with a thinning white ponytail. The question was asked as Richardt explained why he chose to live like...