[Senator Tim] Kaine quotes W.B. Yeats a lot … most recently when talking about the Syrian refugee crisis where he pleaded that ISIS was the enemy not the refugees.
… “Yeats wrote [The Second Coming] after World War I, surveying the wreckage … [A]nd he expressed a real concern about the state of society at the time because what he noticed was … ‘the best lack all conviction and the worst are filled with passionate intensity.'”