► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Mining company BHP has unveiled another writedown of its US oil and gas assets, this time for $4.9bn. Lex’s Robert Armstrong and Jonathan Eley discuss whether, given the pressure of falling energy prices, BHP must give up its progressive dividend policy.<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
