Or they even know the meaning of that phrase?

https://www.c-span.org/video/?c4351026/clinton-1995-immigration-sotu

That democrats can ignore their own abuses directed at the American people, the Constitution and the common sense that directs respect to the people they are supposed to represent as they engage all their energy in lighting fires of disunity is a sure portent the shadow of darkness is near complete for our Nation.