And the probe doesn’t involve some bit players in an obscure program, either. The 1603 Program was one of the centerpieces of Barack Obama’s 2009 stimulus, designed to subsidize a transition from hydrocarbon-based energy to renewables in the residential market, and federal government sunk $13 billion into the effort. Now the Inspector General of Treasury has opened a probe of the three largest providers of solar panel installations, who gained the most from the 1603 Program, and who may have fraudulently calculated their bills in order to claim more taxpayer cash: Three of the country’s most prolific installers of...