The University of Southern California has sparked condemnation from a leading Muslim group after it canceled a planned commencement speech by its valedictorian, citing security concerns due to tensions over “the ongoing conflict in the Middle East.” Asna Tabassum said she was told Monday that she would no longer be able to give a speech as she and other graduates at the Los Angeles university are celebrated on May 10. “I am both shocked by this decision and profoundly disappointed that the University is succumbing to a campaign of hate meant to silence my voice,” Tabassum said in a statement...