LONG BEFORE THE AGE OF OBAMA, FEDERAL SPENDING became the panacea for social problems. Not content with new spending for new ideas, from high-speed passenger-rail services to bankruptcy bailouts, the Obama administration has revived spending for bad old ideas. Nothing better illustrates this folly than federally funded summer-job programs. Congress torpedoed such programs a decade ago, but President Barack Obama's team revived them in the stimulus package passed in February. The federal government is providing $1.2 billion to hire 125,000 teens and young adults this summer. Local and state governments are plowing in many millions of dollars more to hire...