Iran’s supreme leader has vowed revenge against Israel after Hamas leader Ismail Haniyeh was killed in Iran early Wednesday. This came after Israel said it killed a top Hezbollah commander in a Beirut strike on Tuesday. U.S. Defense Secretary Lloyd Austin said he doesn’t think war in the Middle East is inevitable, but that if Israel were attacked, the United States would help defend it. NTD spoke with Avi Melamed, a former Israeli intelligence official, for more insight.