"Once the political season is underway and it is, action on a Supreme Court nomination must be put off until after the election campaign is over," Biden said in June 1992 on the Senate floor.."

Sen. Chuck Schumer said in July 2007 that no George W. Bush nominee to the Supreme Court should be approved, except in extraordinary circumstances, 19 months before a new president was set to be inaugurated.

August 1960, the Democrat-controlled Senate passed a resolution, S.RES. 334, “Expressing the sense of the Senate that the president should not make recess appointments to the Supreme Court