ICE is in talks to buy turnkey immigration detention facilities from its biggest vendors as local backlash derails its plan to rapidly renovate warehouses into large-scale detention spaces .Why it matters: The Department of Homeland Security wants to own its detention spaces, a pivot from the mostly leased network of beds that held a peak a population of more than 70,000 detainees earlier this year.Zoom in: "The broader vision is to develop a nationwide network that consolidates populations in r...