Mr. Schumer said Mr. Trump’s eruption was hardly spontaneous, noting the preprinted sign on the lectern he used afterward to speak with reporters. Instead, he suggested the president staged it because he had not come up with a way to pay for such an enormous spending package.
https://www.nytimes.com/2019/05/22/us/politics/donald-trump-speech-pelosi-schumer.html
-The New York Times; 5/22/2019