By: Clare Duffy, Adam Cancryn, Hadas Gold
(CNN) — It was a triumphant moment for Mark Zuckerberg. He sat at the center of last month's White House AI meeting, with the CEOs of some of the biggest tech companies in the world signing onto a document he crafted for how to “self-police” and attempt to manage serious AI safety risks. After the meeting, Zuckerberg called it “historic.”