text:  Making threats to join any war between Israel and its Lebanese proxy, Hezbollah, Iran. Israel's foreign minister replying on social media site X that a regime that threatens destruction deserves to be destroyed. ABC's Jordana Miller in Jerusalem. The belligerent rhetoric comes as the U.S. fears Iran would indeed join Hezbollah in a future war, likely firing hundreds of missiles to try to overwhelm Israel's air defense system. The U.S. concerned about a wider Mideast war.