Justice Antonin Scalia’s death prompted United States Senate Majority Leader Mitch McConnell (R-Ky.) and Judiciary Committee Chair Chuck Grassley (R-Iowa) to argue that the President to be inaugurated on January 20, 2017—not Barack Obama—must fill the empty Scalia post. Obama in turn expressed sympathy for the Justice’s family and friends, lauded his consummate public service, and pledged to nominate a replacement “in due time,” contending that eleven months remained in his administration for confirming a worthy successor. Obama admonished that the President had a constitutional duty to nominate a superlative aspirant to the vacancy, which must not have persisted for more than one year, while the Senate had a constitutional responsibility t...