WASHINGTON (AP) - A retired Army lieutenant colonel who was a pivotal witness in the first impeachment case against Donald Trump has sued the oldest son of the former president and other Trump allies, ...

The House impeachment inquiry hears from two more witnesses Wednesday before the full House takes a key vote Thursday. A National Security Council official, Lt. Col. Alexander Vindman, told ...

After a largely quiet first hour, Tuesday’s House Intelligence impeachment hearing ignited during the second hour — with one of the day’s witnesses chiding the ranking congressman in a particularly ...

NPR's Michel Martin talks with retired Lt. Col. Alexander Vindman about Ukrainian President Volodymyr Zelenskyy's push for additional U.S. aid to... Retired Lt. Col. Alexander Vindman discusses ...