Niall Stanage, White House columnist for The Hill, tells NewsNation the Trump assassination attempt was a historic moment “in all the wrong and dark ways.” He says a thorough investigation must follow, and he expects the Secret Service to be under intense pressure over how it prepared for the Butler, Pa. event. #donaldtrump #trumpassassinationattempt #niall stanage "NewsNation Now" is a no fluff, no filler newscast featuring up-to-the-minute news drawing from a network of journalists across the U.S. hosted by Adrienne Bankert. Weekends starting at 4p/3C. NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij