In late April, the Department of Justice announced that it was ending a decades-long consent decree in Plaquemines parish, Louisiana, in a school district that has been under a desegregation order since the Johnson administration in the 1960s. The Plaquemines parish desegregation order, one of more than 130 such orders nationwide, was in place to ensure that the school district, which initially refused to integrate, followed the law. Many consent decrees of the era are still in existence because school districts are not in compliance with the law. Some experts, including former justice department employees, say the change in direction...