Carrying my bike up the stairs from the BART station straight into Oscar Grant Plaza (formerly Frank Ogawa), the very first scene I came upon was a highly charged, three to four-hundred person General Assembly.  Not having seen with my own eyes the mass marches complete with angry chanting, bottle–throwing, window-smashing, and frustrated pacifists (always a funny sight), I was (to say the least) stunned.  There were pockets of people [...]