After nearly 15 years of ownership, the time has come for Allianz to let Pimco strike out on its own, Lex's Oliver Ralph suggests. He explains why to Joseph Cotterill.<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