
The South Dakota governor’s ascension to DHS came as a surprise in some quarters. She doesn’t have a law enforcement background, and during her four terms as a House member she never served on the committee overseeing the department. But she had key support from Trump’s 2016 campaign chief, Corey Lewandowski, and border czar Tom Homan, who advocated for her nomination. Her history as a Trump loyalist also helped her win the nod, as well as her backing of the president’s plans to further crack down on the border and...