Matthew Whitaker, the acting US attorney-general, said on Friday he had “not interfered in any way” with Robert Mueller’s investigation into possible links between Russia and the 2016 Trump campaign.<br /><br />► Subscribe to FT.com here: http://bit.ly/2GakujT<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes