After the move across northern Iraq by Sunni extremists, FT leader writer James Blitz and foreign editor Roula Khalaf discuss how likely it is that President Barack Obama and Iran's President Hassan Rouhani may co-operate against the Islamic State of Iraq and the Levant.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
