Under different circumstances, Americans might want to send a message to Ms. Clinton that they would prefer a president who doesn't mix private and public interests so readily. But how could any high-minded voter choose Mr. Trump who hasn't even provided tax returns for public inspection let alone demonstrated sound judgment in foreign affairs? If Ms. Clinton fails the transparency test, her opponent is more like the lead-lined door that even Superman's x-ray vision can't penetrate. From his relationships to suppliers, his bankruptcies, the dubious Trump University scam to his daily fact-checked failings (his recent claim that black youth unemployment in the U.S. is 59 percent or 40 points above reality being the latest whopper), Mr. Trump has little standing to call anyone else "crooked." That doesn't excuse Ms. Clinton's ethical insensitivities, but it certainly puts them in a proper, and sobering, context.