Donald Trump fired Kristi Noem following Senate hearings and a 220 million dollar advertising campaign controversy.Senator Markwayne Mullin will succeed her at the head of the security agency to advance the America First agenda.Noem was reassigned to a regional envoy role after using an old law to defy judges regarding expulsions to El Salvador.The dismissal occurs while other officials like
Marco Rubio and
Pete Hegseth face internal administration pressures.