<http://webisa.webdatacommons.org/prov/390668877>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/106204935> .
<http://webisa.webdatacommons.org/106204935>	<http://www.w3.org/ns/prov#value>	" of a culture of safety.???Baltimore Ravens safety Bernard Pollard, expressing his opinion in response to the league continually altering rules as part of its much-publicized effort to stem injuries ??? and particularly head trauma ??? created headlines during Super Bowl week by predicting there will not be an NFL 30 years from now.In the weeks leading up to this past Super Bowl, President Barack" .
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<http://webisa.webdatacommons.org/106204935>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<utsandiego.com> .