with the Labour and Meretz political movements, and of course some of the leaders you mentioned, but the eventual change of course by both Ariel Sharon and Ehud Olmert, formerly right-wing and then centrists, only indicates that nothing is really written in stone. Perhaps the Ten Commandments were written in stone but when it comes to politics and socioeconomic concerns of a nation, how can leaderships not adapt to changes if they want to survive (also demographically survive)? There's proof throughout Israel's existence many political parties and movements began and later became extinct. Perhaps there's hope for Netanyahu still in the coming future but it also depends on his electorate of decades support.
Bomb-related incident reported in Ra'anana; suspect arrested (Haaretz)
from the article: The world is sick of Netanyahu's lack of policy