What next for the United Kingdom?This week, there's a state of the union flavour to the podcast with Brexit tensions in Northern Ireland following the row over vaccine exports AND issues in the Scottish National party following the sacking of Joanna Cherry from the front bench. That as the 'who knew what and when' row between Nicola Sturgeon and Alex Salmond continues and threatens to derail any momentum being built for another independence referendum.Adam Boulton and guests examine the border questions being discussed in Great Britain and on the island of Ireland and assess the difficulties faced by Boris Johnson's government.Joining Adam this week are the writer, broadcaster and author of 'How Britain Ends' Gavin Esler; Journalist with Open Democracy and Author of ‘Democracy for Sale: Dark Money and Dirty Politics Peter Geoghegan and Sky's political correspondent Kate McCann.