A Pennsylvania company that sells Sprint cellular phones, service plans, and cell-phone accessories is a “retail or service establishment” under the 7(i) exemption, a Pennsylvania district court holds, granting partial summary judgment to the employer.  Haskins v. VIP Wireless LLC 300, 2010 U.S. Dist. LEXIS 106205 (W.D. Pa. Oct. 5, 2010).  A sales representative