Unemployed for a year and with an ailing wife at home, Mike Hammer stepped out of his truck in a Concord strip mall and walked into the heart of one of the most sophisticated private welfare systems in the country. Here, in a plain white box of a building, Hammer and other Mormons come to get groceries - everything from produce to meats, much of which comes from Mormon-owned farms and cattle ranches. Others come for counseling, employment help and a self-canning facility, where observant Mormons can up to a year's worth of food supplies in the event of an...