Amy Albro, “Rubbing Salt in the Wound”: As Nurses Battle with a Nationwide Staffing Shortage, an NLRB Decision Threatens to Limit the Ability of Nurses to Unionize, 3 NW J. L. & Soc. Pol’y 104, at http://www.law.northwestern.edu/journals/njlsp/v3/n1/4/ (2008).