From The Epoch Times:

If Democrats follow through on expanding the Supreme Court, “it would usher in a new and frightening era for the judicial arms race,” according to Sarah Turberville of the Constitution Project of the Project on Government Oversight, and Anthony Marcum of the Governance Project at R Street Institute.

“If Congress, under control of Democrats, increased the number of seats, Republicans would eventually respond in kind,” they said in an op-ed.