Declaring that “the deal is all signed” with Iran, as President Trump did today, is like shopping for a wedding dress after a good first date: It’s just too soon.
A deal has an element of finality and permanence. A nuclear deal with Iran, for example, would require specific obligations, concessions, and verification measures, such as inspections, agreed to by all parties.

In theory, Donald Trump has a consistent position on AI. On the first full day of his second term, the president declared that he would use his full authority to speed the AI industry along and, in particular, to beat China in the AI race: “We have an emergency,” he said. “We have to get this stuff built.” If AI is poised to become the most important technology ever made, the thinking goes, whichever country commands the most powerful bots will dominate the rest of the century and beyond.

One of the most repeated truisms in social-science research is: “The No. 1 best thing for your well-being is your relationships.” Despite using this line myself many times, I’ve nevertheless questioned its universality.

In the fall of 1929, the Paramount Famous Lasky Corporation, then the most successful film company in America, seemed poised to buy Warner Brothers Pictures Inc. The latter was smaller and newer, but it had already become a lucrative commodity, having recently bought Vitagraph, an even tinier studio that operated cutting-edge sound technology.

Even before the first ball of the World Cup was kicked in Mexico City on Thursday, there was one team that everyone was already rooting against. FIFA and its president, Gianni Infantino, have been widely lambasted for ticket costs this year—which are four to 10 times higher than they were for comparable matches at the 2022 World Cup in Qatar.