(Reuters) -Several historically Black colleges and universities in the United States gave students and staff an all clear on Monday after bomb threats earlier in the day forced schools to issue shelter-in-place orders and cancel classes. Albany State University in Georgia, Delaware State University in Delaware, Southern University and A&M College in Louisiana, Howard University in Washington, Bowie State University in Maryland and Bethune-Cookman University in Florida were among the schools that received threats on Monday morning. At Delaware State University, campus police issued an “all-clea…