I am shocked, shocked to find that Supreme Court Justice Clarence Thomas’ commitment to originalism — that is, the belief that legal texts should be interpreted as they were understood when they were adopted — comes to a screeching halt the minute he slides off the bench. When Congress passed the Ethics in Government Act in 1978, which requires government officials to report gifts, I’m pretty sure legislators had in mind exactly the sort of relationship Thomas has with the Republican megadonor and Nazi memorabilia collector Harlan Crow. I mean, maybe nothing can stop a venal Supreme Court justice from...