Lunch in The Hague, dinner in Paris, followed by breakfast in Warsaw and lunch in Berlin. That's the outline of a whistle-stop tour that David Cameron has embarked upon in his bid to modify the UK's relationship with the EU. For now, the precise details of the reform he seeks aren't clear. All we know is that they are sufficiently deep to require changes to the Union's founding treaties. Can he do it?

Produced by David Boratov and Haxie Meyers-Belkin

Visit our website:
http://www.france24.com

Like us on Facebook:
https://www.facebook.com/FRANCE24.English

Follow us on Twitter:
https://twitter.com/France24_en