The importance of a European foreign and security policy

Press quote (The Economist)
Camino Mortera-Martinez
23 March 2017
From 
http://www.economist.com/news/special-report/21719190-european-countries-inside-and-outside-eu-more-ever-need-work-together

But as Camino Mortera-Martinez of the Centre for European Reform points out, non-EU countries cannot participate in the European Arrest Warrant.