Clinton may be required to testify on emails: US judge

A federal judge has said Hillary Clinton may be required to testify about her private email system while secretary of state as part of a freedom of information act lawsuit brought by a conservative watchdog group. It was the latest twist in a long-running email saga that continues to dog Clinton as she runs for president as the presumptive Democratic nominee. Judge Emmet Sullivan on Wednesday gave the go ahead for Judicial Watch to take testimony from several of Clinton's close aides when she wa