No more budget gimmicks? That’s what outgoing White House budget director Peter Orszag promised as the Obama team prepared to take control of the White House. “The president prefers to tell the truth, rather than make the numbers look better by pretending,” he told The New York Times. But numbers games turned out to be Orszag’s specialty. He’s set to step down at the end of July, but for the last 18 months, he’s presided over a wave of fiscal trickery. This year’s White House budget, which Orszag played a key role in preparing, is a prime example. When fiscal...