" . . . a backpack over his shoulder—not some streamlined, chic job, but a funky backpack-of-the-people, complete with a photo button of abolitionist John Brown pinned to one strap."
At least he's not an "unpatriotic neo-Confederate."
The source article on this is over 10 years old, but still quite interesting - and revealing.
William Ayers is Distinguished Professor of Education and Senior University Scholar at the University of Illinois at Chicago (retired).