Can the Visegrad Four hold its line over Brexit: or will the splits show?

For the Visegrad Four (Poland, Hungary, the Czech Republic and Slovakia), Brexit could be an opportunity to press for their own interests in Europe, not least because of the number of their citizens who are living in Britain. But the Group is far from united, their public statements about Brexit have been few and the current uproar over judicial reforms in Poland has exposed some of the faultlines in the alliance, writes Monika Brusenbauch Meislová.