About: http://webisa.webdatacommons.org/28985215

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Certainly they knew each other in the early 1990s, if not before, in Chicago when Obama was a community organizer and Ayers was working on juvenile justice and education reform.
http://www.w3.org/ns/prov#wasQuotedFrom	spectator.org