From the Epoch Times:

Sarah Turberville, from the Constitution Project of the Project on Government Oversight, and Anthony Marcum, from the Governance Project at R Street Institute, have concerns about the Democrats expanding the Supreme Court: “It would usher in a new and frightening era for the judicial arms race. If Congress, under control of Democrats, increased the number of seats, Republicans would eventually respond in kind,” they said in an op-ed for The Hill.