NBA basketball, Niagara tightrope walk help ABC

ABC News' Lauren Sher and Alice Gomstyn: Millions of people held their breath as daredevil Nik Wallenda walked his way into history, becoming the firstNik Wallenda has become the first person to walk on a tightrope 1800 feet across the mist-fogged brink of roaring Niagara Falls. A tethered Wallenda accomplNIAGARA FALLS, N.Y, USA — Daredevil Nik Wallenda, 33, stepped gingerly into the record books, crossing Niagara Falls on a tightrope suspended 200 feet in the air and setting the world record for the First person to

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