In law enforcement, the 'blue curtain' is defined as?
a set of norms and values governing police behavior
a “screen” that separates the police from the community
different treatment based on a person’s race or ethnicity
programs and policies that partner law enforcement with the communities they serve

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting