Schiff updates list of impeachment probe witnesses

House Intelligence Committee Chairman Adam Schiff has announced the witness schedule for next week's open hearings in the impeachment inquiry into President Donald Trump.

— Tuesday, Nov. 19, morning: Jennifer Williams, an aide to Vice President Mike Pence; Lt. Col. Alexander Vindman, Director for European Affairs at the National Security Council.

— Tuesday, Nov. 19, afternoon: Ambassador Kurt Volker, the former U.S. special envoy to Ukraine; Tim Morrison, a White House aide with the National Security Council.

FILE - US Representative Adam Schiff, Democrat of California and the Chairman of the House Permanent Select Committee on Intelligence walks on Capitol Hill . (Photo by OLIVIER DOULIERY/AFP via Getty Images)

— Wednesday, Nov. 20, morning: Ambassador Gordon Sondland, U.S. Ambassador to the European Union.

— Wednesday, Nov. 20, afternoon: Laura Cooper, Deputy Assistant Secretary of Defense for Russian, Ukrainian, and Eurasian Affairs; David Hale, Under Secretary of State for Political Affairs.

— Thursday, Nov. 21, morning: Fiona Hill, former National Security Council senior director for Europe and Russia.