
Homeland Security Secretary Kirstjen Nielsen submitted her resignation to President Donald Trump Sunday night, in an unexpected move that appears related to the president’s ongoing rage over the number of Central American families and asylum seekers coming into the United States.
Kevin McAleenan, the head of Customs and Border Protection, will serve as acting DHS secretary. It’s not yet clear whether Trump will formally nominate a successor to Nielsen in the near future.
Nielsen, the sixth head of the Department of Homeland Security and Trump’s second appointee (she was confirmed in December 2017 after John Kelly left to become White …