Commentary Books and articles—scientific as well as theological—have been written on human nature. Still, most people don’t understand it, or refuse to learn from it, or worse, play to its dark side. Some politicians play to the dark side of human nature because it empowers them and extends their careers at taxpayer expense. They never have to solve a problem; they only have to appear to care about a problem. Doubt me? Then why after many years of talking, legislating, studying, and spending are so many problems unresolved? The Wall Street Journal reported on several states that have stopped or will soon cease sending out unemployment checks. This has resulted in many of the former recipients of other people’s money going out to find or return to work. Who knew? This reminds me of the welfare reform bill worked out by President Bill Clinton and Speaker Newt Gingrich 25 years ago. Some critics then …