It is poor character that causes one to blame the rules when the game doesn’t go as one had hoped. It is a sign of imprudence to try to change the rules after every undesirable outcome.

Expect these vices to be on display Wednesday morning, particularly if Democrats fail to take the Senate, or if they fall short of the tidal-wave House pickups they have been expecting all year. The Left has been deploying such arguments (or excuses for failure) since the 2016 election didn’t go its way.