NEW: Rep. Adam Schiff says the White House officials who have "defied congressional subpoenas and refused to appear" for depositions will "further add to the body of evidence on a potential obstruction of Congress charge against the president."

NEW: Rep. Adam Schiff says the White House officials who have "defied congressional subpoenas and refused to appear" for depositions will "further add to the body of evidence on a potential obstruction of Congress charge against the president." https://t.co/Y1E1JXzDyQ pic.twitter.com/IS64ug9d8w

— World News Tonight (@ABCWorldNews) November 4, 2019