A student film featuring a Nazi flag on the University of Southern California’s campus is sparking outrage and raising questions about why a hate symbol is allowed to be used on school grounds.  An anonymous social media post with the caption “only at USC” showed a student film crew holding the swastika flag in front of the campus bookstore last week, according to Annenberg Media .  A photo from anonymous social media post showed a USC student film crew holding a nazi flag on campus. Sidechat The prop is part of a permitted film production titled “Tension,” which examines rising racial tensions on campus, the outlet reported.  “I can verify that this shoot was a permitted shoot through the school, and fully approved,” Kristin Borella, the director of communications for USC’s School of Cinematic Arts, told the outlet. USC confirmed to Anneberg Media that the shoot was approved by the school and permitted.…