Article continues below advertisementDonald Trump's mental fitness continues to come under fire as he approaches the big 8-0. The aging president was seen walking out of a White House event before it ended on Monday, February 23. In a clip of the moment, he was captured getting up and momentarily clutching the podium before leaving as guests remained in their seats. While he briefly thanked the attendees before trudging out of the room, he appeared lethargic and somewhat out of it.