Seems Mitch McTurtle can see the handwriting on the wall: "MENE, MENE, TEKEL, UPHARSIN" Which translates as "God has numbered the days of your kingdom and brought it to an end; You have been weighed and found wanting; Your kingdom is divided and given to the Medes and Persian"

So he's urging any Republican-appointed Federal judges to resign before fall so they can be replaced while Republicans are still in control.