Hello my name is David Runseman and this is Talking Politics and this is 2019. We are about 12 hours out from Theresa May's catastrophic defeat in the commons of her Brexit deal and we are about 12 hours before what we assume will be her narrow victory in a no confidence vote.

We are going to try and work out what happens next.

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Order! Order! The eyes to the right, 200 and 2. The nose to the left, 432.

The eyes to the right, 200 and 2. The nose to the left, 432. So the nose have it, the nose have it.

I'm not, she cannot seriously believe that after two years of failure she is capable of negotiating a good deal for the people.

It's 10.30 on Tuesday evening and I've spent the last couple of hours trying to make sense of what Theresa May's historic defeat means for Brexit and I have to say I cannot remember a time since we've been doing this podcast when I have felt more completely perplexed.

There is no shortage of opinion out there and I've been plowing through a lot of it. There is someone making a case for everything.

All the possibilities have their advocates from no deal through to a second referendum and some new deal but I cannot at this time on Tuesday.

See what the thing is that somehow can command majority support in the commons and support from the European Union.

If it's there I can't see it and I feel completely lost. I need to talk to Helen and to Chris and to Kenneth about this tomorrow.

Is that fine? Do you want to say where you are watching the very best night?

I was sitting watching it on my laptop and forget about it.

I am joined by Helen Thompson by Chris Brickerton. It's a pleasure to welcome back Kenneth Armstrong who is the author of the book Brexit Time leaving the EU why, how and when.

Those are all good questions. It's quite a thought to think that we still don't know.

Why? I don't know if we know why, how and when.

If we start with when, because when we lasted this about six weeks ago, you correctly told us in anticipation that the European court was going to tell the British government and the British parliament that we could revoke Article 50.

We are now at the point where the clock has ticked on quite a long way and we are no nearer to knowing how.

What are the options in relation to Article 50 and the March the 29th deadline?

My assumption is that revocation is impossible in political terms because the court said that to revoke is to commit the UK to remaining in the European Union and that would only be possible after a second referendum and we are not going to have a second referendum before the 29th of March.

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