According to Republicans the very worst trait a Supreme Court justice can have.
Empathy (n) - Understanding and engaging the emotions and feelings of another. Being sensitive to another's feelings. Entered the English Language at the turn of the 20th century. From the German word Einfühlung coined in 1858 by a German philosopher. Constructed from the Greek en- and pathos meaning in feeling.
Antonyms: unfeeling, insensitivity, obtuseness, callousness.
Empathy is one of the four essential leadership traits.