The Supreme Court nomination process might work better if the senators voting in it actually had a clue how the Constitution works.

Latest case in point: Democratic Sen. Tim Kaine of Virginia, who was Hillary Clinton’s vice presidential running mate just four years ago. Appearing on Fox News with host Bill Hemmer on Monday afternoon, Kaine gave a stunningly ignorant answer when asked whether nominee Joe Biden should take a position for or against his fellow Democrats’ schemes to expand the size of the Supreme Court.