From a distance, it appears to me that Barak has for a long time been in league with Lieberman with the intent of replacing Bibi. Barak must be offering Lieberman some kind of immunity from his past criminal actions and a promise he can keep his current post in a new administration. Bibi better wake up and join with Livni before it is too late and his career is OVER.
Suspect Bangkok bomber arrested, found with possible bomb-making materials (Reuters)
from the article: U.S. officials: Barak 'deceived' us about his role in peace process