The curse of many extremist parties bickering, indiscipline and lack of experience was one reason for the failure.

ECONOMIST: Pierre Poujade

Extremist parties across Europe must be resisted because they are a danger not just to the EU but to basic civil liberties.

ECONOMIST: The worrying European elections

In both France and the Netherlands, between one-fifth and one-third of voters support extremist parties that oppose European integration, globalisation or both.

ECONOMIST: Charlemagne