P.M. Edition for Mar. 30. The Labor Department proposed a new rule that would make it easier to invest in private markets through 401(k)s. It comes as investors pull money from some private-credit funds. WSJ retirement reporter Anne Tergesen explains the risks. Plus, last year OpenAI hyped up its new AI video product, Sora. So why did it abruptly pull the plug last week? WSJ tech reporter Berber Jin tells us. And the CEO of Air Canada is stepping down after he offered condolences for the LaGuardia Airport crash in English and not in French. Alex Ossola hosts. Sign up for the WSJ's free What's News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices