HOWIE CARR: From Styx to Osama, Boston Common hippie rioters crying in their keffiyehs. “Look at these photographs — why do so many of the female hippie rioters have crewcuts and the guys have ponytails? You can learn so much about the latest fashion trends among the non-working classes from studying these latest filthy, trust-funded, Nazi-sympathizing hippies who got lugged downtown while, like, expressing solidarity with, you know, uh, somebody, dude.”