Nine has been fine since 1869

National Review: "Nobody Cared About Biden’s Commission on the Supreme Court Because It Was Pointless" - "Thing is, though: Democrats being a little sad does not a crisis make. Hell, it does not even a problem make. A few years ago, Joe Biden understood this. Today, like the rest of his party, he does not. Happily, though, the total lack of response to the Commission suggests that a majority of Americans still do."