Michael Rubin & Suzanne Gershowitz:
Abington Friends School in Jenkintown has a no-nonsense dress code: To conform to Quaker philosophy, students may not wear T-shirts that promote violence. In practice, though, not all violence is unacceptable. Teachers ignore T-shirts honoring Ché Guevara, the violent Latin American revolutionary, but sometimes discipline students who wear shirts with Israeli army symbols.
The whole piece is here .