PHILADELPHIA — A Black liberation group is calling on City Council to study the effect of slavery on Black Philadelphians today and recommend ways to execute reparations. The National Coalition of Blacks for Reparations in America, or N'COBRA, the organization's local chapter, requested a task force Thursday morning, before the Council's first session of the new year. N'COBRA also urged the city to enforce a reparations law that has been on the books since 2005 but never enforced, according to the group. That law requires city-contracted businesses and banks to disclose their historic connecti...