DOJ vows appeal after judge orders ex-White House counsel Don McGahn to appear before Congress

Former White House counsel Don McGahn must appear before Congress pursuant to a subpoena issued earlier this year, a Washington, D.C. federal judge ruled late Monday, in a major setback to President Trump's effort to keep aides from testifying before House impeachment investigators.

If McGahn wanted to assert executive privilege to avoid testifying, U.S. District Court Judge Ketanji Brown Jackson ruled, he would need to appear before Congress and do it himself, likely on a question-by-question basis.

It remained possible, Jackson said, that the "requested information is itself subject to...