Second Referendum more likely now because:
a) Both Labour challengers to Corbyn say they support a second referendum, this time on the "deal" arranged by Boris.
b) LibDems have already said they will be campaigning on REMAIN or return.
c) The second referendum petition will be heard by MPs in parliament (5th September).
d) The government only have a majority of 12 (will not take many by-elections or defections to clobber that).
e) Boris is already on record of being in favour of second referendum.
Thus if REMAIN organise massive demonstration in London on 5th of September (date of the parliament debate) if might , it might just swing it a bit..
I mean anyone can tell the economy is potentially shot to pieces, its like the lull before the storm hits the fan.