Ukraine: Is it all about to change?

Recent movements by Ukraine and Russia's military forces suggest that the long awaited spring offensive could start any day. David Aaronovitch and guests discuss the implications. Guests: Michael Clarke, Professor of Defence studies and Specialist Advisor to the Joint Committee on the National Security Strategy Vitaly Shevchenko, Russia editor at BBC Monitoring Tomila Lankina, Professor of politics and international relations at LSE Dr Leslie Vinjamuri, Director of the US and the Americas programme at Chatham HouseProduced by: Kirsteen Knight, Claire Bowes and Ben Carter Edited by: Penny Murphy Sound engineer: James Beard Production co-ordinator: Siobhan Reed, Debbie Richford and Sophie Hill