The Labor party is ideologically bankrupt. People don't really want Socialism/Communism. Labor is losing votes because it is unpopular, not because the Leader is bad. Laborites keep on kicking out their leaders. Herzog hasn't even taken the job yet and HaAretz is already calling for his ouster!
North Korea leader Kim Jong Un hails accord with South as landmark (Reuters)
from the article: Israel's new Labor Party leader doesn’t bark or bite