Marc Theissen: The Kavanaugh debacle cost the Democrats the Senate

Marc Thiessen Brett M. Kavanaugh must have been smiling as the returns came in on Election Day, because it is now clear that the Democrats’ campaign to destroy him will go down as a massive blunder. It failed to keep Kavanaugh off the court. It cost Democrats their chance to regain control of the Senate. And it gave Republicans an expanded Senate majority that will allow them to confirm an even more conservative justice next time around. Today, Kavanaugh sits on the Supreme Court hearing cases. Meanwhile, Democratic Sens. Heidi…