Secretary Rubio’s Travel to Brussels U.S. Department of State (.gov)Rubio tries to reassure wary allies of US commitment to NATO as Trump sends mixed signals AP NewsTravel to Brussels, April 2-4, 2025 U.S. Department of State (.gov)Rubio Visits NATO Amid European Alarm Over Trump’s Agenda The New York TimesDiplomacy Watch: Rubio recommits to NATO as peace talks flounder Responsible Statecraft