Lt. Col. Alexander Vindman, the top Ukraine expert on the National Security Council, gave public testimony of his alarm at what he heard during President Trump’s July phone call with the leader of Ukraine. Appearing in his Army dress uniform trimmed with military ribbons, Colonel Vindman spoke of himself as a patriot, an account that Democrats echoed. The president’s Republican allies, however, told a different story.

“The Latest” is a new series on the impeachment inquiry, from the team behind “The Daily.” You can find more information about it here.