B y the time President Trump ousted Kristi Noem from the Department of Homeland Security earlier this month, her team had already embarked on a spending spree that included far more than the new luxury jet and the self-promotional ads that got her in trouble at the White House. Over the past several months, the department has purchased 11 large warehouses around the country that it plans to convert into megajails, some with space for up to 10,000 detainees. The acquisitions kicked off a $38