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Nik Wallenda walks wire across Niagara Falls

<div class="meta "><span class="caption-text ">The seventh-generation member of the famed Flying Wallendas had long dreamed of pulling off the stunt, never before attempted. Other daredevils have wire-walked over the Niagara River but farther downstream and not since 1896. </span></div>
June 15, 2012 8:25:37 PM PDT