Homeland Security: In a sign background checks are far too lax, an alarming number of Arabs and Muslims have landed sensitive government jobs only to be caught later spying for the enemy.Guarding against penetration by terrorist agents and sympathizers should be a top concern of public agencies, but it's not. Guarding against charges of job discrimination is. Multiculturalism and political correctness have made it easier for the terrorists to use Arabs and Muslims to infiltrate the government and steal security secrets. In the latest example, a former city 911 operator faces multiple felony counts for allegedly searching the names of...