► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />At the Labour conference in Liverpool, the FT’s Sebastian Payne finds the party’s centre of gravity has shifted from the main hall to a fringe event hosted by Momentum, the group previously known as Jeremy Corbyn for Labour Leader.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes