House Intelligence Committee Chairman Adam Schiff (D-Calif.) on Sunday said that testimony from the intelligence community whistleblower at the center of the House impeachment inquiry against President Trump may no longer be necessary. “Given that we already have the call record, we don't need the whistleblower who wasn't on the call to tell us what took place during the call,” he told Margaret Brennan during an interview on CBS's "Face the Nation." “Before the president started threatening the whistleblower... we were interested in having the whistleblower come forward. Our primary interest right now is making sure that that person is...