By Bonnie Tenneriello and Daniel Medwed WGBH February 22, 2016 In late January, President Obama announced historic changes in how the federal prison system uses solitary confinement—or “segregation” as it is euphemistically called within Massachusetts’ prison system. He cited research showing that the practice can lead to “devastating, lasting psychological consequences.” Solitary confinement, he said, “doesn’t […]