With a name that doesn’t ring old-school French like Jean, Pierre or Jacques, and a home address in a tough suburb of Paris where riots flared, Salah Benkadmir is discovering how hard it can be to make prospective employers in France see beyond their prejudices. Despite having a high school diploma in sales and work experience as a vendor on his resume, the 19-year-old job seeker says that when he sends it to stores making hires, often no one calls him back. Organizers urgently need thousands of security guards to help keep athletes and spectators safe and reduce the likelihood of ano...