About: http://webisa.webdatacommons.org/243946985

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	Barrack Obama, a one-time professor of constitutional law, has famously criticized the Constitution for defining liberty in terms of negative liberties -- meaning protections against various forms of state action.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com