Chuck Schumer actually said...

I send an amendment to the desk to subpoena Mulvaney, Bolton, Duffey, Blair and the White House, OMB, DOD, and State Department documents.

No witnesses, no documents. In an impeachment trial is a perfidy, it's a grand tragedy.

when you think about it, it's the first time they've probably heard the whole narrative of what's happened.

I believe that the chance for witnesses grows and gains every day.