This summer Ukraine is co-hosting the European football championships, but don't be deceived by the sporting camaraderie - Ukraine's political relationship with the EU is in crisis. The most pressing dispute concerns Yulia Tymoshenko, the former Ukrainian prime minister imprisoned for seven years after a trial dismissed as a political charade by many in the West. Stephen Sackur speaks to Yulia Tymoshenko's daughter, Eugenia. What does the Tymoshenko story say about Ukraine?