About: http://webisa.webdatacommons.org/291018185

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	Under the Clean Air Act, California needed a federal waiver to implement its rules, and other states could then adopt them.???The question is how to have an effective strategy.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org