If you wanted to keep it mild and diplomatic, and avoid further antagonizing such a person unnecessarily, you might simply refer to that person as a ...
All federal judges have to be approved by a majority of senators before they can begin their jobs. If the president nominated a judge that was not favored by the senate they would probably not be approved.
Lewis symbols are diagrams that show the number of valence electrons of a particular element with dots that represent lone pairs. Lewis symbols do not visualize the electrons in the inner principal energy levels.