A.M. Edition for April 15. As tensions rise over the Iran war, American allies are drafting fallback plans for a “European NATO” should President Trump exit the alliance. Plus, Maine becomes the first state to block construction of large AI data centers. And after the Trump administration cut IRS enforcement staff, WSJ’s Richard Rubin looks at whether more Americans are prepared to cheat on their taxes. Luke Vargas hosts. P.S., if Tax Day snuck up on you, it’s not too late to request an extension. Sign up for the WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices

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“What did the council decide on item 42?” — answered with the speaker and the moment.