It’s now clearer than ever that Democrats must pack the Supreme Court

In seemingly the blink of an eye, the gerrymandering wars have turned against Democrats — all because of unelected judges imposing their views over the will of voters and elected officials. If Democrats are able to win back power despite the new electoral hurdles the courts have placed before them, there is only one path forward: judicial reform and, in particular, adding new justices to the Supreme Court. Indeed, packing the court may soon become a new litmus test for Democratic politicians — and it should be. Any hope of Democrats holding power and enacting their agenda will rely on...