The Supreme Court agreed Dec. 6 to hear a challenge to a Delaware law invalidated by a lower federal court that regulates the partisan makeup of that state’s courts. The Supreme Court granted a petition brought by Gov. John C. Carney, a Democrat who has held the post since January 2017. Carney is appealing a loss at the 3rd Circuit Court of Appeals, which struck down the state law on April 10. Current law provides that no more than 50 percent of the judges on the Supreme Court, Superior Court, “or those courts together with the Court of Chancery, may...