Jeb Bush, the good son--he could sing the good song, if only he had the soul. Jeb the moderate, the sensible conservative, competent governor, business builder, self-deemed wonk, establishment darling. How has this mirage been rigged? What well-oiled machinations have orchestrated such delusions? Just drill a little deeper, uncap the well, expose the pent-up secrets and witness a ground-shaking blowout.

With hindsight, we can now see that even a modicum of due diligence into his brother's DNA would have allowed a picture of what was destined to transpire during that presidency--for...