Jesse Choper quoted in San Francisco Chronicle, May 28, 2015
“Government restrictions have got to be reasonable,” added Professor Jesse Choper. … “They can restrict what (protesters) are carrying, whether it’s a garbage-can lid or weapons of mass destruction,” Choper said. “You can’t hold a peaceful antiwar march on the Bay Bridge in the middle of the afternoon, so I think the burden of proof will be on the city to show these are reasonable restrictions.”