| http://www.w3.org/ns/prov#value | - His biggest barrage to date came last Thursday during a speech at the National Constitution Center in Philadelphia, where the center awarded him its 2011 Liberty Medal: At a time when our country faces deep economic and other challenges at home and a world that just keeps getting more complex and more dangerous, those who think that they alone have the right answers, those who demonize those who t
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