Police arrest a protester, many affiliated with the Occupy Wall Street movement, during demonstration on the second day of the NATO summit.
In 1968, filmmaker Haskell Wexler was in Chicago for the Democratic National Convention. His footage of the riots in Grant Park made it into the movie Medium Cool, an influential blend of fictional storytelling and documentary footage which has been preserved by the National Film Registry.
Wexler got some footage of cops beating protesters with wooden stakes. It appears to have been taken near the corner of Michigan and Cermak, where demonstrators tried to provoke a confrontation by surging against the police line. Mostly, Wexler has film of people for whom protest is a way of life -- the Occupy movement, the Black Bloc -- marching down Michigan Avenue, chanting, “Hey, Hey, Ho, Ho, NATO has got to go!”