Somewhere around 20% of nurses in the United States belong to unions--some of which exert enormous political influence over the state and federal laws governing

Somewhere around 20% of nurses in the United States belong to unions--some of which exert enormous political influence over the state and federal laws governing the other 80% working in an already highly-regulated market. Collective bargaining and organized regulatory influence seem like potentially important contributors to the 'stability' of the profession and wage growth over time.