Brexit is back on the agenda this week as Adam Boulton and guests discuss the thorny issue of Northern Ireland protocol.Negotiations have resumed between the UK and the European Union over the implementation of the protocol with the EU offering concessions on checks.But the role of the European Court of Justice appears the major sticking point so what next?Joining Adam this week are the former Permanent Secretary at the Department for Exiting the EU, Philip Rycroft; Die Welt’s correspondent in London, Stefanie Bolzen and Sky's chief political correspondent Jon Craig.#AllOutPolitics