After bomb threats, historically Black colleges lift warningsSeveral historically Black colleges and universities across the U.S. on Tuesday lifted warnings to students and faculty against coming to campus after receiving bomb threats earlier in the day. After campus and local police swept the campus at Jackson State University in Mississippi and gave an all-clear sign, the school resumed operations Tuesday. Orders were also lifted at Morgan State University in Baltimore, Tougaloo College in Mississippi and Kentucky State University in Frankfort, according to school statements. “The recent thr…