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PBS News Hour
What we can expect from this week's impeachment witnesses
President Trump says he will consider testifying on his own behalf in the impeachment inquiry. Former U.S. Special Envoy to Ukraine Kurt Volker, career State Department official Jennifer Williams, departing National Security Council official Tim Morrison and National Security Council official Lt. Col. Alexander Vindman are scheduled to appear Tuesday. Yamiche Alcindor joins Amna Nawaz to discuss.
