Trump's attorney general pick: Robert Mueller is not overseeing a 'witch hunt'

Donald Trump’s nominee for attorney general has contradicted the US president by saying Robert Mueller, the special counsel investigating Russian election meddling, is not involved in a “witch hunt”.  William Barr, who will oversee the Mueller probe if confirmed to the role, vowed to allow the investigation to be completed during a grilling by US senators on Tuesday.  Mr Barr called Mr Mueller a “friend” and said they had known each other for 30 years afte