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<http://webisa.webdatacommons.org/prov/371046457>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/24892976> .
<http://webisa.webdatacommons.org/24892976>	<http://www.w3.org/ns/prov#value>	"Joining those four senators in 2012 are Sens. Conrad, McCaskill, Ben Nelson, Bill Nelson and Webb, all from states where Republicans made gains and cap and trade was an issue." .