Sidewalk chalking, long a staple of street artists and hop-scotch players, has resulted in the arrests of 50 people in 17 American cities. Josh Harkinson is a staff writer for Mother Jones – he’s been following the arrests and the emergence of a popular new form of protest.
"The Chalking 8"— drew anti-cop slogans on the wall of the police station in Manchester, New Hampshire:
Alex Schaefer's Chalk Protest: