► Stay one step ahead with FT.com - subscribe and save 50%: http://bit.ly/28WUpaa<br /><br />Negative rates abroad are driving Treasury yields down, but US economics will assert themselves soon enough<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