Mitch McConnell is scared a Kamala Harris presidency would spell disaster for the Republican party, prognosticating that a Democratic presidency would result in the demise of the filibuster and a liberal packing of the Supreme Court. “Let's assume our worst nightmare – the Democrats went to the Whit...
That was a little different, they didn’t actually change the size of the court, they just maintained the vacancy.
In 1866 they actually went and said “Nah, 7 is good.” Which not only kept Johnson from filling a vacancy, it bounced someone else out.