Jon Henley is joined by Jill Rutter, Daniel Boffey and Dan Roberts in the week that Britain formally invokes article 50 of the Lisbon Treaty – the EU’s exit clause. How quickly can a deal be done? What will be covered in the talks? And what will be the main sticking points?

Subscribe to us on iTunes, Audioboom , Mixcloud, Soundcloud and Acast and join the discussion on Facebook and Twitter.

The die is cast. In the week that the EU celebrates 60 years of its founding Treaty of Rome, Britain gets ready to cross the Rubicon and trigger article 50. But then what? With the two-year countdown clock about to start ticking, we look at the key issues on the negotiating table.

Jon Henley is joined by Jill Rutter of the Institute of Government, Guardian Brexit policy editor Dan Roberts and Brussels bureau chief Daniel Boffey.

What are the main stumbling blocks? Where are the easy wins to be found? And what about the known unknowns? We look at the main players, the internal politics and at what both sides really want at the end of the process.

Leave your thoughts below.