Bracing for War? 

Is a US military strike on Iran imminent? A source tells CNN President trump has reviewed attack plans but is holding off for now to see if Tehran is willing to back away from its nuclear program. Meanwhile, an Iranian missile strikes a hospital in the southern part of Israel, prompting the Israeli defense minister to say Iran's supreme leader cannot be "allowed to exist," calling him a "modern Hitler." Anderson Cooper joins the show live from Tel Aviv.  Learn more about your ad choices. Visit podcastchoices.com/adchoices