Blurring Professional Boundaries

Perhaps readers can help me out? The Government has community support officers doing jobs that were formerly for the police, midwives and nurses jobs that previously required a doctor, and teaching assistants taking on ever greater responsibilities from teachers. From today, teachers may undergo additional training, such as how to use airport-style metal detectors, in order to police schools. What other roles have been re-defined or re-assigned over the last ten years?