Suppose that during the civil rights movement segregationist governors ordered all state contractors to disclose their political donations in an attempt to expose civil rights supporters to harassment and retaliation. The Supreme Court would have had none of it.

In NAACP v. Alabama (1958), the court barred Alabama from forcing the NAACP to disclose its members. Those justices would have struck down a similar effort to force the release of the NAACP's financial supporters. They...