Here’s an inkling of how it’ll look:
“But what have you got to offer?” the EU will reply.
“We can’t extend transition beyond 2020!”
Round and round and round we go.
Having set the deadline, while needing a Deal, and the *other side* has all the plans... the UK condemns itself to giving up its demands, refusing a Deal, or still extending
While hardliners in the ERG will say (again) it’s better to just walk away.
“You want that trade deal by the end of 2020 then? Well you do it on our terms” the EU will reply. And just wait for the howls of anguish in Downing Street.
/ends