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"The wire walker's feat will be aired on the Discovery Channel. We caught up with the daredevil for a Q&amp;A as he preps for the historic crossing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/stories/nik-wallenda-attempts-to-walk-across-grand-canyon-on-a-tightrope-with>