<http://webisa.webdatacommons.org/prov/267134455>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/300071680> .
<http://webisa.webdatacommons.org/prov/268972007>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/300071680> .
<http://webisa.webdatacommons.org/300071680>	<http://www.w3.org/ns/prov#value>	"Clifford used the term ???third opinion??? to describe the outside insight he provided to such leaders as John Kennedy and Lyndon Johnson." .
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<http://webisa.webdatacommons.org/300071680>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hbr.org> .