It is perhaps fitting that it was Oakland, home to radical socialists such as Jack London as well as later black liberation figures like Huey Newton, which pushed the unique weapon of the general strike.
Cue conservative outrage over Michelle Obama's inviting rapper Common to a White House poetry reading, because Common wrote one adulatory song about Black Panther Assata Shakur. The New Jersey state police protested.
I don't remember exactly what I did on the first Earth Day 40 years ago, but I remember exactly how I felt: deeply relieved. You have to realize, the spring of 1970 was a tumultuous time. And in the midst of this came Earth Day.