Tensions are rising in the Middle East after another missile attack on a U.S. airbase in Western Iraq carried out by an Iranian-backed militia group. SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #news #iran #middleeast #iraq #johnkirby #abcnews