I think there are still many solutions and we have not reached a deadlock yet. There is enough room for negotiation and there are various plans which can be successful if there is a powerful determination to put them into action. I am sure that there are solutions which should be reached through negotiations.
In Plan B, the Western powers will allow the authoritarian regimes of the Arab world to collapse and attempt to replace them with fake democracies run by puppet rulers beholden to their masters in the West.