Why haven't current managers pushed for witnesses to come forward?

Name: Why haven't current managers pushed for witnesses to come forward?
Uploaded: 2021-02-13T12:22:50
Duration: PT249.0S
Description: Chairman of the House Intelligence Committee Adam Schiff joins "GMA" to discuss former President Donald Trump’s impeachment trial.

Chairman of the House Intelligence Committee Adam Schiff joins "GMA" to discuss former President Donald Trump’s impeachment trial.