Demonstrators march over USC decision to cancel valedictorian speech Many students and faculty members accuse USC of censorship for not allowing valedictorian Asna Tabassum to speak at commencement. Many students and faculty members accuse USC of censorship for not allowing valedictorian Asna Tabassum to speak at commencement. Many students and faculty members accuse USC of censorship for not allowing valedictorian Asna Tabassum to speak at commencement. Many students and faculty members accuse USC of censorship for not allowing valedictorian Asna Tabassum to speak at commencement. LOS ANGELES (KABC) -- Hundreds of demonstrators gathered on the USC campus on Thursday amid...