Clement ‘Unusual,’ ‘Excellent’ Friend for Wall Street Watchdog

If you told a regular U.S. Supreme Court watcher that Paul Clement was set to argue a high stakes business case, they might assume he’s arguing for the business.

They’d be wrong, at least when it comes to the fate of the Consumer Financial Protection Bureau, the brainchild of Democratic Sen. Elizabeth Warren and a conservative target whose structure is challenged in a case that’ll be argued later this term.

The Supreme Court on Oct. 23 invited giant of the high court bar Clement to argue as an amicus, or “friend of the court,” in support of the federal bureau ...