Judge blocks U.S. officials from tech contacts in First Amendment case  —  The Trump-appointed judge's move could upend years of efforts to enhance coordination between the government and social media companies.  —  A federal judge on Tuesday blocked key Biden administration agencies …

Secret Service investigating suspicious substance found in White House  —  A preliminary field test indicated the substance was cocaine.  Authorities sent the sample to a lab for further testing.  —  The U.S. Secret Service is investigating a suspicious substance that prompted a brief evacuation …

Substance found in White House library tests positive for cocaine  —  The “unknown item” that forced a brief evacuation of the White House Sunday night and drew a Hazmat team from Washington, DC, Fire and EMS to the executive mansion initially tested positive for cocaine, according to a dispatch call made that evening.