What the heck can the Libs do when there are 19 or so on the Labour benches who will vote for the deal?!
PS Face it, Corbyn is never going to be the leader of anything. His very presence has lost any VoNC prospect. Also bare in mind that the SNP are now playing an entirely different game, their priority is now a GE as they suspect they can purge all Westminster parties from Scotland (with the exception of the Lib Dems who will likely hold the upper islands). They know they can wipe out Labour and Conservative if there is an election soon, and that is their clear goal.