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The Cipher Brief curates open source information from around the world that impacts national security. Here’s a look at today’s headlines, broken down by region of the world.

Open Source Report for Monday, April 14, 2025

Report for Monday, April 14, 2025


Russian Missile Strikes in Sumy Kill at Least 34

Trump Authorizes Pentagon to Take Over Public Land at Southern Border

U.S. May Be Triggering the Fastest Nuclear Weapons Race Since the Cold War

Putin’s Secret Dealmaker Emerges from the Shadows in Ukraine Peace Talks

China Halts Critical Exports as Trade War Intensifies

U.S. Holds Talks With Iran Over Its Nuclear Program

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