Members of both parties join in a moment of silence for activist Charlie Kirk on Capitol Hill. In a statement the Secret Service reassures the American public that the president has the highest level of protection. Mary Bruce reports. https://abcnews.link/eVs73WM?utm_source=facebook&utm_medium=social&utm_campaign=dhfacebook&utm_content=app.dashsocial.com/abcworldnewstonight/library/media/581085304 | ABC World News Tonight with David Muir

Former Secret Service agent Donald Lane tells “NewsNation Live” that President George W. Bush was “laser-focused” as news of the Sept. 11, 2001, terror attacks came in 24 years ago. “Once he processed it, it was about getting to work, and it was about finding out as soon as we could, what exactly was happening and what we could do to stop it and how we could protect our nation and the people in it,” Lane said. | NewsNation