Yet again, a number of young people have been arrested in the Iranian capital. Their crime: engaging in a water fight. The evidence: water guns and bottles. The accusations against them: violating Islamic principles and norms. It sounds absurd, but sadly it's the reality in the Islamic Republic of Iran where, among other things, having a bit of fun can also land one in prison. The young women and men had gathered last week in a Tehran park, ironically named the Garden of Water and Fire, and splashed water at each other. The event, planned and organized on Facebook, had...