Lyric discussion by JayWalker 

Cover art for For What It's Worth lyrics by Buffalo Springfield

In August '66 the local citizenry had tried to clear the area around the Sunset Strip club Pandora`s Box, whose long haired clientele detered legitimate tourism, by having the police enforce a curfew. Protests followed,things turning ugly when the police weighed in with the night-sticks. Witnessing this upon return from a trip to Nicaragua , Stills was inspired: "All the kids on one side of the street, all the cops on the other side - in Latin America that meant there'd be a new government in about a week. "Both a warning and a barricade-manning counter-culture rallying cry

i got this from http://www.thrasherswheat.org/tfa/bufspring.htm