About: http://webisa.webdatacommons.org/169228998

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	With so many people in one place together, the chance that somebody is going to have a heart attack or other health emergency and want to call 911 at some point during the rally is pretty high.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com