Question: Covert Communications provides interpreters and linguistic analysts to federal law enforcement agencies on a contract basis. Much of the work performed for its government clients by Covert involves national security matters, and the clients require that the Covert employees must have government security clearances. Because of the security clearance requirement, Covert will not hire applicants who are not U.S. citizens. Farik Al Quran speaks Arabic and Pashto fluently, but is refused a job with Covert because he is not a U.S. citizen. Does Covert's refusal to hire Al Quran violate Title VII? Explain.