Mulvaney Says, Then Denies, That Trump Held Back Ukraine Aid as Quid Pro Quo. "“The acting White House chief of staff undercut the president’s denial of a quid pro quo by saying that military aid was held back in part to prod Ukraine to investigate Democrats.” - The New York Times

Mulvaney Says, Then Denies, That Trump Held Back Ukraine Aid as Quid Pro Quo - The New York Times