Bonus: Vindman's Testimony

The top Ukraine expert on the National Security Council testified about two incidents he reported, including the July 25 phone call.

Image: Lt. Col. Alexander Vindman, director for European Affairs at the National Security Council, arrives at the Capitol for a deposition on Oct. 29, 2019.

Lt. Col. Alexander Vindman, director for European Affairs at the National Security Council, arrives at the Capitol for a deposition on Oct. 29, 2019.Mark Wilson / Getty Images

Lt. Col. Alexander Vindman, the top Ukraine expert on the National Security Council, testified about two incidents he reported, including what he heard on the July 25 phone call.

Rebecca Shabad, Congressional Reporter for NBC News Digital, details Vindman’s testimony and whether it undermines the prior testimony of Gordon Sondland.