NEW: President Trump boards Air Force One and is now en route to Long Island, where he is set to deliver remarks in Nassau County. Trump will speak at the Poli

NEW: President Trump boards Air Force One and is now en route to Long Island, where he is set to deliver remarks in Nassau County. Trump will speak at the Police Academy Center for Training and Intelligence. [▻](https://video.twimg.com/amplify_video/2088319256802869250/vid/avc1/1920x1080/BUDw9ysM…