At the end of the day, it appeared that Saudi is politically less stable than Lebanon, something that has hardly ever been the case in modern history, let alone at a time when one would assume it is Lebanon that is about to be plunged into new chaos, not the formerly predictable Wahhabi regime.
This is a very good analysis of both the Saudi Arabia and Lebanon actions in the past few days. As is all too often the case in the Middle East, the US has its fingerprints all over it.
The authors present some possible outcomes. Read more here.