NPR News Now covers the 25th anniversary of the September 11 attacks, including a new moment of silence for long-term health victims. The report details a Supreme Court ruling that blocks Missouri’s Republican-drawn congressional map, a setback for House control. Additionally, California Governor Newsom signs bills to protect children from addictive social media and AI chatbots. The segment also discusses Trump administration proposals to exclude undocumented immigrants from the census and previews the historic US Open semifinal between Francis Tiafoe and Ben Shelton.