Donald Trump attacks Sally Yates hours before she testifies in Russia investigation

President Donald Trump has called on Congress to ask former acting Attorney General Sally Yates "if she knows how classified information got into the newspapers" - seemingly accusing her of leaking information after talking to the White House.Ms Yates will appear before a Senate subcommittee to answer questions about when and what she told the White House regarding former National Security Adviser Michael Flynn’s ties to Russia.Mr Flynn resigned in February after it was revealed that he ha