which has since represented the campus security officers.
Yale has a history of difficult and prolonged labor negotiations, often culminating in strikes. There have been at least eight strikes since 1968, and The New York Times wrote that Yale has a reputation as having the worst record of labor tension of any university in the U.S. Moreover, Yale has been accused by the AFL–CIO of failing to treat workers with respect, as well as not renewing contracts with professors over involvement in campus labor issues. Yale has responded to strikes with claims over mediocre union participation and the benefits of their contracts.
== Campus ==
Yale's central campus in downtown New Haven covers 260 acres (1.1 km2) and comprises its main, historic campus and a medical campus adjacent to the Yale–New Haven Hospital. In western New Haven, the university holds 500 acres (2.0 km2) of athletic facilities, including the Yale Golf Course. In 2008, Yale purchased the 17-building, 136-acre (0.55 km2) former Bayer HealthCare complex …