What is ‘The Shield of the Americas’? Kristi Noem named Special Envoy in new security initiative
President Donald Trump announced on March 5 that he is removing Kristi Noem from her role as Secretary of Homeland Security and will nominate Markwayne Mullin of Oklahoma to replace her, effective March 31, 2026. In a Truth Social post, Trump wrote that Noem “has served us well, and has had numerous and spectacular results…