So what can we say to be optimistic?
Three things.
First, it is good to have a discussion so that we know where we are, and know what might work to stop no deal and what won't in advance of the Commons returning.
/1
But, there are anti-no dealers who were in May's cabinet, now sacked, who followed the government whip to oppose then, but who won't follow Johnson.
/2
First (as with C-L I) require Johsnon to request an extension on terms [X]
Second, require Johnson to place any offer of extension before Commons, with motion to require acceptance.
/3
Forming a temporary government to extend Brexit is far preferable to having this to-ing and fro-ing with a reluctant Johnson on a Parliamentary leash.
But there we are.
A General Election is coming soon.
If they vote to extend to stop no deal, they're seeking to stop the policy that will be central in their party's election campaign.