The White House has postponed its planned ceremony for President Trump to sign a new executive order on AI and cybersecurity, per a note seen by Axios.Why it matters: Trump suggested it's because he didn't like the order he was supposed to sign — another setback for an effort that has been stalled by internal disagreements.Driving the news: "I didn't like certain aspects of it, I postponed it," Trump told reporters at the White House."We're leading China, we're leading everybody, and I don't want to do anything that gets in the way of that lead.""I really thought that could have been a blocker and I want to make sure that it's not."Behind the scenes: Major tech, AI and cyber CEOs had been invited to attend the ceremony this afternoon at the White House.Per the note, the event has been postponed to a later date. Editor's note: This story has been updated with Trump's comments.