(January 20, 2017, 2:24 PM EST) -- ATLANTA — All Ph.D. students at Duke University who are employed by the university to provide instructional services or research services, except for those students at Duke Kushan University and Duke-NUS Medical School, are employees within the meaning of Section 2(3) of the National Labor Relations Act (NLRA) and may vote on union representation, a National Labor Relations Board regional director ruled Jan. 18 (Duke University and Service Employees International Union CLC/CTW, No. 10-RC-187957, NLRB, Region 10)....