There's a large constituency of centre to left Israelis who don't like conflict with United States and prefer a peace agreement to change the reality of demographic changes which will not retain Israel's democracy if the PA and Israel do not reach an agreement soon. Why wouldn't other center-left parties be able to unite as a bloc to counter this devastating impasse? Why should Israelis vote for Netanyahu when he's not articulated his peace proposal after 4 years? Don't get it. The status quo doesn't jive anymore.
Israeli PM to Palestinian President Abbas: We must fight terror together (Haaretz)
from the article: Like Obama, Netanyahu will win elections only with a focused campaign