https://www.huffingtonpost.com/entry/supreme-court-kavanaugh-gorsuch_us_5bf806e3e4b0771fb6b8489a

They want to change the rules every time they lose.

“Adding new justices to the Supreme Court is another idea increasingly popular among those progressives angered over the Kavanaugh and Garland decisions. The Constitution does not set the number of justices in stone and the number of justices has fluctuated over the years, bumping up to 10 during the Civil War. It has been set at nine since 1869.”