Witnesses gave opening statements at President Joe Biden's impeachment inquiry on Thursday. Biden impeachment inquiry live updates: trib.al/81POVQH SUBSCRIBE to ABC News on YouTube: bit.ly/2vZb6yP Latest updates: abcnews.go.com Watch FULL EPISODES on Hulu: abcn.ws/3bzvQQn #impeachmentinquiry #biden #politics #news #abcnews