What is the significance of this quote from Wuthering Heights: “Treachery and violence are spears pointed at both ends; they wound those who resort to them worse than their enemies.” (Chapter 17)

In 1947, after the vice presidency had been vacant for most of a presidential term, Congress again changed the line of succession. ... The amendment states that the president may appoint a vice president to fill a vacancy in that office, subject to approval by both houses of Congress.