Poland and Hungary have recently clashed with Brussels over democratic freedoms, but economic drivers are at play, too.
Several post-communist member states are moving further and further away from European Union norms.
He's been charged with fraud and is under investigation by the EU, so how did this former finance minister become the most likely candidate for prime minister?
Migration may help to pay Western pensions, but life is hard for those left behind.
The European Union is threatening to suspend the state's voting rights if it pursues legislation to restrict its judiciary.
After years of propping up corrupt parties in the name of 'order', Kosovo's international backers have a very different partner to deal with.
European countries are competing against Brussels and each other for China's affections. And that is undermining the EU.
In some places, the dismal labour conditions of young academics have spurred them to unionise. Not so in the Czech Republic, where students and intellectuals lead lives of “state-ordered poverty”.
It's there ... but it changes over time.
If the western Balkan countries can't join the EU, their complicated ethnic politics might boil over once again.
The experience of Serbian Londoners shows how migrants should not be treated as a single group.
Britain has a number of bilateral treaties with Eastern European countries that will remain after Brexit.
In 2004 the Labour government allowed citizens of the 10 new EU states labour market access. Why did Blair make this decision?
While the citizens of the capital protest against their president, everyone else hails him as their saviour.
The UK's decision to leave the European Union has baffled many in Poland, the Czech Republic and Romania, where nostalgia for life before the EU is virtually non-existent.
When immigrants, rather than immigration, are seen as the problem.
Boris Johnson says so. But the reality about EU minimum wages and the effect on migration is more subtle.
Economic slowdown and a refugee influx have rattled Europe deeply, and some countries seem to have had enough.
Migration Watch claims there could be another 50,000 EU migrants a year coming to the UK than currently thought. We asked two academics to look at the numbers.
Six countries account for half of the EU migrants to the UK – but they're not all from eastern Europe.