Early last month, New York Times Executive Editor Dean Baquet told a crowd at Harvard University that he would happily face time in jail to publish Donald Trump's long-withheld tax forms. Theoretically, Baquet just might have his chance. But almost certainly, only theoretically. The Times' big-ticket story revealing Trump's nearly billion-dollar losses two decades ago relies on three documents from state tax forms sent anonymously to the newspaper less than two weeks after Baquet's remarks, which were reported a few days later. The article goes into depth to capture how Trump could parlay those losses into great gains by using...